{"id":"CVE-2010-3769","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-3769","generatedAt":"2026-10-27T20:52:04.290Z","title":"The line-breaking implementation in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, Thunderbird before 3.0.11 and 3.1.x before 3.1.7, and SeaMonkey before 2.0.11 on Windows does not properly handle long strings, which allows remote attackers to…","description":"The line-breaking implementation in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, Thunderbird before 3.0.11 and 3.1.x before 3.1.7, and SeaMonkey before 2.0.11 on Windows does not properly handle long strings, which allows remote attackers to execute arbitrary code via a crafted document.write call that triggers a buffer over-read.","published":"2010-12-10T19:00:02.000Z","lastModified":"2026-06-16T23:23:29.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["mozilla/firefox","mozilla/thunderbird","mozilla/seamonkey"],"epss":{"score":0.04618,"percentile":0.91627,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (4.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052502.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052504.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00002.html","source":"cve@mitre.org"},{"url":"http://osvdb.org/69771","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/42716","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/42818","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2010/dsa-2132","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:251","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:258","source":"cve@mitre.org"},{"url":"http://www.mozilla.org/security/announce/2010/mfsa2010-75.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/45345","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1024846","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1024848","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2011/0030","source":"cve@mitre.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=608336","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12342","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052502.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052504.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/69771","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42716","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42818","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2010/dsa-2132","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:251","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:258","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mozilla.org/security/announce/2010/mfsa2010-75.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/45345","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024846","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024848","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0030","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=608336","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12342","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-3769","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}