CVE-2022-22740

NameCVE-2022-22740
DescriptionCertain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2880-1, DLA-2881-1, DSA-5044-1, DSA-5045-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid124.0.1-1fixed
firefox-esr (PTS)buster91.12.0esr-1~deb10u1fixed
buster (security)115.9.1esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.9.1esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.9.1esr-1~deb12u1fixed
trixie115.8.0esr-1fixed
sid115.9.1esr-1fixed
thunderbird (PTS)buster1:91.12.0-1~deb10u1fixed
buster (security)1:115.9.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.9.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.9.0-1~deb12u1fixed
trixie1:115.7.0-1fixed
sid1:115.9.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)96.0-1
firefox-esrsourcestretch91.5.0esr-1~deb9u1DLA-2880-1
firefox-esrsourcebuster91.5.0esr-1~deb10u1DSA-5044-1
firefox-esrsourcebullseye91.5.0esr-1~deb11u1DSA-5044-1
firefox-esrsource(unstable)91.5.0esr-1
thunderbirdsourcestretch1:91.5.0-1~deb9u1DLA-2881-1
thunderbirdsourcebuster1:91.5.0-2~deb10u1DSA-5045-1
thunderbirdsourcebullseye1:91.5.0-2~deb11u1DSA-5045-1
thunderbirdsource(unstable)1:91.5.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/#CVE-2022-22740
https://www.mozilla.org/en-US/security/advisories/mfsa2022-02/#CVE-2022-22740
https://www.mozilla.org/en-US/security/advisories/mfsa2022-03/#CVE-2022-22740

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