{"id":"CVE-2010-3765","aliases":[],"url":"https://o3.security/vulnerability/CVE-2010-3765","summary":"Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows…","details":"Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption, as exploited in the wild in October 2010 by the Belmoo malware.","published":"2010-10-27T22:00:00.000Z","modified":"2025-10-22T00:05:51.248Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.83279,"percentile":0.99654,"asOf":"2026-08-26"},"cisaKev":{"dateAdded":"2025-10-06","dueDate":"2025-10-27","knownRansomwareCampaignUse":false},"exploitsKnown":9,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/44425"},{"type":"ADVISORY","url":"https://rhn.redhat.com/errata/RHSA-2010-0812.html"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=607222#c53"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2010/2837"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=646997"},{"type":"WEB","url":"http://support.avaya.com/css/P8/documents/100114335"},{"type":"ADVISORY","url":"http://secunia.com/advisories/41965"},{"type":"ADVISORY","url":"http://secunia.com/advisories/41975"},{"type":"ADVISORY","url":"http://www.redhat.com/support/errata/RHSA-2010-0896.html"},{"type":"ADVISORY","url":"http://www.redhat.com/support/errata/RHSA-2010-0808.html"},{"type":"EXPLOIT","url":"http://www.exploit-db.com/exploits/15341"},{"type":"WEB","url":"http://www.securitytracker.com/id?1024651"},{"type":"ADVISORY","url":"http://secunia.com/advisories/41761"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=607222"},{"type":"ADVISORY","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050233.html"},{"type":"WEB","url":"http://norman.com/about_norman/press_center/news_archive/2010/129223/en?utm_source=twitterfeed&utm_medium=twitter"},{"type":"ADVISORY","url":"http://secunia.com/advisories/41969"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1011-3"},{"type":"WEB","url":"http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox"},{"type":"WEB","url":"http://www.norman.com/about_norman/press_center/news_archive/2010/129223/"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/usn-1011-1"},{"type":"WEB","url":"http://www.securitytracker.com/id?1024650"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1011-2"},{"type":"ADVISORY","url":"http://www.redhat.com/support/errata/RHSA-2010-0809.html"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:219"},{"type":"ADVISORY","url":"http://secunia.com/advisories/42867"},{"type":"WEB","url":"http://blog.mozilla.com/security/2010/10/26/critical-vulnerability-in-firefox-3-5-and-firefox-3-6/"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2010/2857"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2011/0061"},{"type":"WEB","url":"http://support.avaya.com/css/P8/documents/100114329"},{"type":"ADVISORY","url":"http://www.debian.org/security/2010/dsa-2124"},{"type":"WEB","url":"http://www.securitytracker.com/id?1024645"},{"type":"ADVISORY","url":"http://secunia.com/advisories/42043"},{"type":"WEB","url":"http://www.norman.com/security_center/virus_description_archive/129146/"},{"type":"ADVISORY","url":"http://secunia.com/advisories/41966"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:213"},{"type":"ADVISORY","url":"http://secunia.com/advisories/42008"},{"type":"ADVISORY","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050061.html"},{"type":"ADVISORY","url":"http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.556706"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2010/2871"},{"type":"WEB","url":"http://isc.sans.edu/diary.html?storyid=9817"},{"type":"ADVISORY","url":"http://www.redhat.com/support/errata/RHSA-2010-0810.html"},{"type":"WEB","url":"http://www.mozilla.org/security/announce/2010/mfsa2010-73.html"},{"type":"EXPLOIT","url":"http://www.exploit-db.com/exploits/15352"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12108"},{"type":"ADVISORY","url":"http://secunia.com/advisories/42003"},{"type":"ADVISORY","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050077.html"},{"type":"ADVISORY","url":"http://www.redhat.com/support/errata/RHSA-2010-0861.html"},{"type":"ADVISORY","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050154.html"},{"type":"EXPLOIT","url":"http://www.exploit-db.com/exploits/15342"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2010/2864"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3765"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2025-10-22T00:05:51.248Z"}}