CVE-2024-4769

NameCVE-2024-4769
DescriptionWhen importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3815-1, DLA-3817-1, DSA-5691-1, DSA-5693-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid126.0-1fixed
firefox-esr (PTS)buster91.12.0esr-1~deb10u1vulnerable
buster (security)115.11.0esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1vulnerable
bullseye (security)115.11.0esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1vulnerable
bookworm (security)115.11.0esr-1~deb12u1fixed
sid, trixie115.11.0esr-1fixed
thunderbird (PTS)buster1:91.12.0-1~deb10u1vulnerable
buster (security)1:115.11.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1vulnerable
bullseye (security)1:115.11.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1vulnerable
bookworm (security)1:115.11.0-1~deb12u1fixed
sid, trixie1:115.11.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)126.0-1
firefox-esrsourcebuster115.11.0esr-1~deb10u1DLA-3815-1
firefox-esrsourcebullseye115.11.0esr-1~deb11u1DSA-5691-1
firefox-esrsourcebookworm115.11.0esr-1~deb12u1DSA-5691-1
firefox-esrsource(unstable)115.11.0esr-1
thunderbirdsourcebuster1:115.11.0-1~deb10u1DLA-3817-1
thunderbirdsourcebullseye1:115.11.0-1~deb11u1DSA-5693-1
thunderbirdsourcebookworm1:115.11.0-1~deb12u1DSA-5693-1
thunderbirdsource(unstable)1:115.11.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/#CVE-2024-4769
https://www.mozilla.org/en-US/security/advisories/mfsa2024-22/#CVE-2024-4769
https://www.mozilla.org/en-US/security/advisories/mfsa2024-23/#CVE-2024-4769

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