CVE-2012-3969

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-08-29 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in the nsSVGFEMorphologyElement::Filter function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code via a crafted SVG filter that triggers an incorrect sum calculation, leading to a heap-based buffer overflow.

Affected products

Mozilla Firefox: through 14.0; 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5 (+144)
Mozilla Seamonkey: through 2.11; 2.0, 2.0-alpha_1, 2.0-alpha_2, 2.0-alpha_3, 2.0-beta_1, 2.0-beta_2 (+72)
Mozilla Thunderbird: through 14.0; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+95)
Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5 (+1)

References

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