CVE-2026-2802

NameCVE-2026-2802
DescriptionRace condition in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid147.0.4-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)(unfixed)

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2026-13/#CVE-2026-2802

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