CVE-2022-38477

NameCVE-2022-38477
DescriptionMozilla developer Nika Layzell and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103 and Firefox ESR 102.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.2, Thunderbird < 102.2, and Firefox < 104.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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)sid132.0.2-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.4.0esr-1~deb11u1fixed
bookworm128.3.1esr-1~deb12u1fixed
bookworm (security)128.4.0esr-1~deb12u1fixed
trixie128.3.1esr-2fixed
sid128.4.0esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.4.3esr-1~deb11u1fixed
bookworm1:115.16.0esr-1~deb12u1fixed
bookworm (security)1:128.4.0esr-1~deb12u1fixed
trixie1:128.4.2esr-1fixed
sid1:128.4.3esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)104.0-1
firefox-esrsourcebuster(not affected)
firefox-esrsourcebullseye(not affected)
firefox-esrsource(unstable)102.2.0esr-1
thunderbirdsourcebuster(not affected)
thunderbirdsourcebullseye(not affected)
thunderbirdsource(unstable)1:102.2.0-1

Notes

[bullseye] - firefox-esr <not-affected> (Vulnerable code not present in the ESR91 version)
[buster] - firefox-esr <not-affected> (Vulnerable code not present in the ESR91 version)
[bullseye] - thunderbird <not-affected> (Vulnerable code not present in the 91.x version)
[buster] - thunderbird <not-affected> (Vulnerable code not present in the 91.x version)
https://www.mozilla.org/en-US/security/advisories/mfsa2022-33/#CVE-2022-38477
https://www.mozilla.org/en-US/security/advisories/mfsa2022-34/#CVE-2022-38477
https://www.mozilla.org/en-US/security/advisories/mfsa2022-36/#CVE-2022-38477

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