{"id":1359,"date":"2013-08-04T15:46:19","date_gmt":"2013-08-04T22:46:19","guid":{"rendered":"http:\/\/blog.mozilla.org\/security\/?p=1359"},"modified":"2013-08-06T09:23:44","modified_gmt":"2013-08-06T16:23:44","slug":"investigating-security-vulnerability-report","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/security\/2013\/08\/04\/investigating-security-vulnerability-report\/","title":{"rendered":"Investigating Security Vulnerability Report"},"content":{"rendered":"<p><strong>Update \u2013 August 5, 2013<\/strong><\/div>\n<p><strong>Issue<\/strong><br \/>\nMozilla was notified on August 4, 2013 of a potential security vulnerability with Firefox 17 (current general release is Firefox 22). Upon investigation we confirmed the vulnerability and determined the root of the issue was related to <a href=\"http:\/\/www.mozilla.org\/security\/announce\/2013\/mfsa2013-53.html\">MFSA 2013-53<\/a>. This vulnerability was fixed in Firefox versions 17.0.7 and 22, which were released on June 25, 2013.<\/p>\n<p><strong>Impact<\/strong><br \/>\nUsers who are on the latest version of Firefox (version 22) or Firefox ESR (version 17.0.7) are not at risk. If a user is running an outdated version of Firefox, then this vulnerability could be used by an attacker to execute malicious software on a victim\u2019s machine. Mozilla has been alerted that this issue is being actively exploited in the wild and urges all users to make sure their Firefox is up to date.<\/p>\n<p><strong>Status<\/strong><br \/>\nThis vulnerability was fixed in Firefox versions 17.0.7 and 22, which were released on June 25, 2013. Firefox users should follow <a href=\"https:\/\/support.mozilla.org\/kb\/find-what-version-firefox-you-are-using\">these instructions<\/a> to confirm they are running the latest version of Firefox (currently version 22 and 17.0.7 for ESR) which contains the fixes for this vulnerability.<\/p>\n<p><strong>Original Post<\/strong><\/p>\n<p>Mozilla has been notified of a potential security vulnerability in Firefox 17. Firefox 17 is currently the <a href=\"https:\/\/www.mozilla.org\/firefox\/organizations\/\">extended support release<\/a> version.<\/p>\n<p>We are actively investigating this information and we will provide additional information when it becomes available.<\/p>\n<p>&nbsp;<\/p>\n<p><small>Michael Coates<br \/>\nDirector of Security Assurance<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Update \u2013 August 5, 2013 Issue Mozilla was notified on August 4, 2013 of a potential security vulnerability with Firefox 17 (current general release is Firefox 22). Upon investigation we &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/security\/2013\/08\/04\/investigating-security-vulnerability-report\/\">Read more<\/a><\/p>\n","protected":false},"author":1438,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,71],"tags":[],"coauthors":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Investigating Security Vulnerability Report - Mozilla Security Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/security\/2013\/08\/04\/investigating-security-vulnerability-report\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mozilla\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/security\/2013\/08\/04\/investigating-security-vulnerability-report\/\",\"url\":\"https:\/\/blog.mozilla.org\/security\/2013\/08\/04\/investigating-security-vulnerability-report\/\",\"name\":\"Investigating Security Vulnerability Report - 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