CVE-2019-11758

NameCVE-2019-11758
DescriptionMozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox-esr (PTS)buster78.14.0esr-1~deb10u1fixed
buster (security)91.12.0esr-1~deb10u1fixed
bullseye91.11.0esr-1~deb11u1fixed
bullseye (security)91.12.0esr-1~deb11u1fixed
bookworm91.11.0esr-1fixed
sid91.12.0esr-1fixed
thunderbird (PTS)buster1:78.14.0-1~deb10u1fixed
buster (security)1:91.12.0-1~deb10u1fixed
bullseye1:91.10.0-1~deb11u1fixed
bullseye (security)1:91.12.0-1~deb11u1fixed
bookworm1:102.1.1-1fixed
sid1:102.1.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefox-esrsource(unstable)(not affected)
thunderbirdsource(unstable)(not affected)

Notes

- firefox-esr <not-affected> (Only an issue in combination with 360 Total Security)
- thunderbird <not-affected> (Only an issue in combination with 360 Total Security)
https://www.mozilla.org/en-US/security/advisories/mfsa2019-33/#CVE-2019-11758
https://www.mozilla.org/en-US/security/advisories/mfsa2019-35/#CVE-2019-11758

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