CVE-2010-3769

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-12-10 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Mozilla Firefox: through 3.5.15; 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+112)
Mozilla Seamonkey: through 2.0.10; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+48)
Mozilla Thunderbird: through 3.0.10; 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+72)

References

http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052502.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052504.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00002.html
http://osvdb.org/69771
http://secunia.com/advisories/42716
http://secunia.com/advisories/42818
http://www.debian.org/security/2010/dsa-2132
http://www.mandriva.com/security/advisories?name=MDVSA-2010:251
http://www.mandriva.com/security/advisories?name=MDVSA-2010:258
http://www.mozilla.org/security/announce/2010/mfsa2010-75.html
http://www.securityfocus.com/bid/45345
http://www.securitytracker.com/id?1024846

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