{"id":10785,"date":"2013-02-19T12:35:04","date_gmt":"2013-02-19T20:35:04","guid":{"rendered":"http:\/\/www.intego.com\/mac-security-blog\/?p=10785"},"modified":"2016-10-06T11:48:36","modified_gmt":"2016-10-06T18:48:36","slug":"mozillas-firefox-19-patches-critical-flaws","status":"publish","type":"post","link":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/","title":{"rendered":"Mozilla&#8217;s Firefox 19 Patches Critical Flaws"},"content":{"rendered":"<p>The Mozilla Foundation has released <a href=\"https:\/\/www.mozilla.org\/security\/known-vulnerabilities\/firefox.html#firefox19\" target=\"_blank\">Firefox 19<\/a> for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of addresses that can be used for phishing attacks by fooling users into entering credentials.<\/p>\n<p>Eight vulnerabilities fixed in Firefox 19 are described as follows:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-28.html\" target=\"_blank\">MFSA 2013-28<\/a> Use-after-free, out of bounds read, and buffer overflow issues found using Address Sanitizer<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-27.html\" target=\"_blank\">MFSA 2013-27<\/a> Phishing on HTTPS connection through malicious proxy<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-26.html\" target=\"_blank\">MFSA 2013-26<\/a> Use-after-free in nsImageLoadingContent<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-25.html\" target=\"_blank\">MFSA 2013-25<\/a> Privacy leak in JavaScript Workers<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-24.html\" target=\"_blank\">MFSA 2013-24<\/a> Web content bypass of COW and SOW security wrappers<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-23.html\" target=\"_blank\">MFSA 2013-23<\/a> Wrapped WebIDL objects can be wrapped again<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-22.html\" target=\"_blank\">MFSA 2013-22<\/a> Out-of-bounds read in image rendering<\/li>\n<li><a href=\"https:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-21.html\" target=\"_blank\">MFSA 2013-21<\/a> Miscellaneous memory safety hazards (rv:19.0 \/ rv:17.0.3)<\/li>\n<\/ul>\n<p>Users can update their software to the latest version on your Mac by using the browser\u2019s internal updater (go to Firefox &gt; About Firefox &gt; Check for Updates). You can also head over to Mozilla\u2019s <a href=\"http:\/\/www.mozilla.org\/en-US\/firefox\/new\/\" target=\"_blank\">download page to get Firefox 19<\/a> on your Mac.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":9917,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,5],"tags":[56,207,201],"class_list":["post-10785","post","type-post","status-publish","format-standard","has-post-thumbnail","category-security-privacy","category-security-news","tag-firefox","tag-mozilla","tag-security-updates"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Derek Erwin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"The Mac Security Blog - Keep Macs safe from the dangers of the Internet\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Mozilla\u2019s Firefox 19 Patches Critical Flaws\" \/>\n\t\t<meta property=\"og:description\" content=\"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2013-02-19T20:35:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2016-10-06T18:48:36+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/integogroup\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@IntegoSecurity\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Mozilla\u2019s Firefox 19 Patches Critical Flaws\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@IntegoSecurity\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#blogposting\",\"name\":\"Mozilla\\u2019s Firefox 19 Patches Critical Flaws\",\"headline\":\"Mozilla&#8217;s Firefox 19 Patches Critical Flaws\",\"author\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/author\\\/derek-erwin\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/wp-content\\\/uploads\\\/2013\\\/01\\\/Firefox-Security-Update-Tile.png\",\"width\":400,\"height\":260,\"caption\":\"Firefox browser security updates\"},\"datePublished\":\"2013-02-19T12:35:04-08:00\",\"dateModified\":\"2016-10-06T11:48:36-07:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#webpage\"},\"articleSection\":\"Security &amp; Privacy, Security News, Firefox, Mozilla, Security Updates\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/category\\\/security-news\\\/#listItem\",\"name\":\"Security News\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/category\\\/security-news\\\/#listItem\",\"position\":2,\"name\":\"Security News\",\"item\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/category\\\/security-news\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#listItem\",\"name\":\"Mozilla&#8217;s Firefox 19 Patches Critical Flaws\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#listItem\",\"position\":3,\"name\":\"Mozilla&#8217;s Firefox 19 Patches Critical Flaws\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/category\\\/security-news\\\/#listItem\",\"name\":\"Security News\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/#organization\",\"name\":\"The Mac Security Blog\",\"description\":\"Keep Macs safe from the dangers of the Internet\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/logo2.png\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#organizationLogo\",\"width\":122,\"height\":46},\"image\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/integogroup\\\/\",\"https:\\\/\\\/x.com\\\/IntegoSecurity\",\"https:\\\/\\\/www.instagram.com\\\/intego_security\\\/\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/IntegoVideo\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/intego\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/author\\\/derek-erwin\\\/#author\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/author\\\/derek-erwin\\\/\",\"name\":\"Derek Erwin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/badd54c0d1d2f3c4c8497e8a892a5b6cdb00b21e0df10fbea205ab1453e29428?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"Derek Erwin\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#webpage\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/\",\"name\":\"Mozilla\\u2019s Firefox 19 Patches Critical Flaws\",\"description\":\"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/author\\\/derek-erwin\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/author\\\/derek-erwin\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/wp-content\\\/uploads\\\/2013\\\/01\\\/Firefox-Security-Update-Tile.png\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#mainImage\",\"width\":400,\"height\":260,\"caption\":\"Firefox browser security updates\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/mozillas-firefox-19-patches-critical-flaws\\\/#mainImage\"},\"datePublished\":\"2013-02-19T12:35:04-08:00\",\"dateModified\":\"2016-10-06T11:48:36-07:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/#website\",\"url\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/\",\"name\":\"The Mac Security Blog\",\"description\":\"Keep Macs safe from the dangers of the Internet\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.intego.com\\\/mac-security-blog\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO Pro -->\r\n\t\t<title>Mozilla\u2019s Firefox 19 Patches Critical Flaws<\/title>\n\n","aioseo_head_json":{"title":"Mozilla\u2019s Firefox 19 Patches Critical Flaws","description":"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of","canonical_url":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#blogposting","name":"Mozilla\u2019s Firefox 19 Patches Critical Flaws","headline":"Mozilla&#8217;s Firefox 19 Patches Critical Flaws","author":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/author\/derek-erwin\/#author"},"publisher":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/01\/Firefox-Security-Update-Tile.png","width":400,"height":260,"caption":"Firefox browser security updates"},"datePublished":"2013-02-19T12:35:04-08:00","dateModified":"2016-10-06T11:48:36-07:00","inLanguage":"en-US","mainEntityOfPage":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#webpage"},"isPartOf":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#webpage"},"articleSection":"Security &amp; Privacy, Security News, Firefox, Mozilla, Security Updates"},{"@type":"BreadcrumbList","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog#listItem","position":1,"name":"Home","item":"https:\/\/www.intego.com\/mac-security-blog","nextItem":{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/#listItem","name":"Security News"}},{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/#listItem","position":2,"name":"Security News","item":"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#listItem","name":"Mozilla&#8217;s Firefox 19 Patches Critical Flaws"},"previousItem":{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#listItem","position":3,"name":"Mozilla&#8217;s Firefox 19 Patches Critical Flaws","previousItem":{"@type":"ListItem","@id":"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/#listItem","name":"Security News"}}]},{"@type":"Organization","@id":"https:\/\/www.intego.com\/mac-security-blog\/#organization","name":"The Mac Security Blog","description":"Keep Macs safe from the dangers of the Internet","url":"https:\/\/www.intego.com\/mac-security-blog\/","logo":{"@type":"ImageObject","url":"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2026\/08\/logo2.png","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#organizationLogo","width":122,"height":46},"image":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#organizationLogo"},"sameAs":["https:\/\/www.facebook.com\/integogroup\/","https:\/\/x.com\/IntegoSecurity","https:\/\/www.instagram.com\/intego_security\/","https:\/\/www.youtube.com\/user\/IntegoVideo","https:\/\/www.linkedin.com\/company\/intego"]},{"@type":"Person","@id":"https:\/\/www.intego.com\/mac-security-blog\/author\/derek-erwin\/#author","url":"https:\/\/www.intego.com\/mac-security-blog\/author\/derek-erwin\/","name":"Derek Erwin","image":{"@type":"ImageObject","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/badd54c0d1d2f3c4c8497e8a892a5b6cdb00b21e0df10fbea205ab1453e29428?s=96&d=mm&r=g","width":96,"height":96,"caption":"Derek Erwin"}},{"@type":"WebPage","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#webpage","url":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/","name":"Mozilla\u2019s Firefox 19 Patches Critical Flaws","description":"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/#website"},"breadcrumb":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#breadcrumblist"},"author":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/author\/derek-erwin\/#author"},"creator":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/author\/derek-erwin\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/01\/Firefox-Security-Update-Tile.png","@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#mainImage","width":400,"height":260,"caption":"Firefox browser security updates"},"primaryImageOfPage":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/#mainImage"},"datePublished":"2013-02-19T12:35:04-08:00","dateModified":"2016-10-06T11:48:36-07:00"},{"@type":"WebSite","@id":"https:\/\/www.intego.com\/mac-security-blog\/#website","url":"https:\/\/www.intego.com\/mac-security-blog\/","name":"The Mac Security Blog","description":"Keep Macs safe from the dangers of the Internet","inLanguage":"en-US","publisher":{"@id":"https:\/\/www.intego.com\/mac-security-blog\/#organization"}}]},"og:locale":"en_US","og:site_name":"The Mac Security Blog - Keep Macs safe from the dangers of the Internet","og:type":"article","og:title":"Mozilla\u2019s Firefox 19 Patches Critical Flaws","og:description":"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of","og:url":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/","article:published_time":"2013-02-19T20:35:04+00:00","article:modified_time":"2016-10-06T18:48:36+00:00","article:publisher":"https:\/\/www.facebook.com\/integogroup\/","twitter:card":"summary_large_image","twitter:site":"@IntegoSecurity","twitter:title":"Mozilla\u2019s Firefox 19 Patches Critical Flaws","twitter:description":"The Mozilla Foundation has released Firefox 19 for Mac OS X, fixing 8 vulnerabilities (4 critical, 2 high, 2 moderate) that resolve 14 CVEs overall. Among the critical vulnerabilities fixed in Firefox 19, several include memory safety bugs, some of which could be exploited to run arbitrary code. Another notable bug fixed allows spoofing of","twitter:creator":"@IntegoSecurity"},"aioseo_meta_data":{"post_id":"10785","title":null,"description":null,"keywords":null,"keyphrases":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_image_url":null,"og_image_width":null,"og_image_height":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_image_url":null,"twitter_title":null,"twitter_description":null,"schema_type":"default","schema_type_options":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":"2026-09-02 11:44:09","created":"2026-09-02 11:44:09","updated":"2026-09-04 12:46:41","reviewed_by":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.intego.com\/mac-security-blog\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/\" title=\"Security News\">Security News<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tMozilla\u2019s Firefox 19 Patches Critical Flaws\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.intego.com\/mac-security-blog"},{"label":"Security News","link":"https:\/\/www.intego.com\/mac-security-blog\/category\/security-news\/"},{"label":"Mozilla&#8217;s Firefox 19 Patches Critical Flaws","link":"https:\/\/www.intego.com\/mac-security-blog\/mozillas-firefox-19-patches-critical-flaws\/"}],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/posts\/10785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/comments?post=10785"}],"version-history":[{"count":4,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/posts\/10785\/revisions"}],"predecessor-version":[{"id":10793,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/posts\/10785\/revisions\/10793"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/media\/9917"}],"wp:attachment":[{"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/media?parent=10785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/categories?post=10785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intego.com\/mac-security-blog\/wp-json\/wp\/v2\/tags?post=10785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}