CVE-2010-0169

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-03-25 · updated 2026-06-16

Description

The CSSLoaderImpl::DoSheetComplete function in layout/style/nsCSSLoader.cpp in Mozilla Firefox 3.0.x before 3.0.18, 3.5.x before 3.5.8, and 3.6.x before 3.6.2; Thunderbird before 3.0.2; and SeaMonkey before 2.0.3 changes the case of certain strings in a stylesheet before adding this stylesheet to the XUL cache, which might allow remote attackers to modify the browser's font and other CSS attributes, and potentially disrupt rendering of a web page, by forcing the browser to perform this erroneous stylesheet caching.

Affected products

Mozilla Firefox: 3.0, 3.0.1, 3.0.10, 3.0.11, 3.0.12, 3.0.13 (+13)
Mozilla Seamonkey: through 2.0.2; 1.1, 1.1-alpha, 1.1-beta, 1.1.1, 1.1.2, 1.1.3 (+26)
Mozilla Thunderbird: through 3.0.1; 1.5, 1.5-beta2, 1.5.0.1, 1.5.0.2, 1.5.0.3, 1.5.0.4 (+26)

References

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