CVE-2020-6796

NameCVE-2020-6796
DescriptionA content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2102-1, DSA-4620-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid123.0.1-1fixed
firefox-esr (PTS)buster91.12.0esr-1~deb10u1fixed
buster (security)115.8.0esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.8.0esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.8.0esr-1~deb12u1fixed
sid, trixie115.8.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)73.0-1
firefox-esrsourcejessie68.5.0esr-1~deb8u1DLA-2102-1
firefox-esrsourcestretch68.5.0esr-1~deb9u1DSA-4620-1
firefox-esrsourcebuster68.5.0esr-1~deb10u1DSA-4620-1
firefox-esrsource(unstable)68.5.0esr-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6796
https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796

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