CVE-2020-6463

NameCVE-2020-6463
DescriptionUse after free in ANGLE in Google Chrome prior to 81.0.4044.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2297-1, DLA-2310-1, DSA-4714-1, DSA-4736-1, DSA-4740-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chromium (PTS)stretch (security), stretch73.0.3683.75-1~deb9u1vulnerable
buster, buster (security)83.0.4103.116-1~deb10u3fixed
bullseye, sid83.0.4103.116-3.1fixed
firefox (PTS)sid81.0-2fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1vulnerable
stretch (security)78.3.0esr-1~deb9u2fixed
buster68.12.0esr-1~deb10u1fixed
buster (security)78.3.0esr-1~deb10u1fixed
bullseye, sid78.3.0esr-2fixed
thunderbird (PTS)stretch1:68.10.0-1~deb9u1vulnerable
stretch (security)1:78.3.1-2~deb9u1fixed
buster1:68.12.0-1~deb10u1fixed
buster (security)1:78.3.1-2~deb10u2fixed
bullseye1:68.12.0-1fixed
sid1:78.3.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chromiumsourcestretch(unfixed)end-of-life
chromiumsourcebuster83.0.4103.116-1~deb10u1DSA-4714-1
chromiumsource(unstable)83.0.4103.83-1
firefoxsource(unstable)79.0-1
firefox-esrsourcestretch68.11.0esr-1~deb9u1DLA-2297-1
firefox-esrsourcebuster68.11.0esr-1~deb10u1DSA-4736-1
firefox-esrsource(unstable)68.11.0esr-1
thunderbirdsourcestretch1:68.11.0-1~deb9u1DLA-2310-1
thunderbirdsourcebuster1:68.11.0-1~deb10u1DSA-4740-1
thunderbirdsource(unstable)1:68.11.0-1

Notes

[stretch] - chromium <end-of-life> (see DSA 4562)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-31/#CVE-2020-6463
https://www.mozilla.org/en-US/security/advisories/mfsa2020-32/#CVE-2020-6463
https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-6463
https://www.mozilla.org/en-US/security/advisories/mfsa2020-35/#CVE-2020-6463

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