CVE-2012-3978

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% 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-264

Description

The nsLocation::CheckURL 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 does not properly follow the security model of the location object, which allows remote attackers to bypass intended content-loading restrictions or possibly have unspecified other impact via vectors involving chrome code.

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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