CVE-2018-12393

NameCVE-2018-12393
DescriptionA potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1571-1, DLA-1575-1, DSA-4324-1, DSA-4337-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid131.0.2-2fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2fixed
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1fixed
buster (security), buster, buster (lts)115.12.0esr-1~deb10u1fixed
bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.3.1esr-1~deb11u1fixed
bookworm115.14.0esr-1~deb12u1fixed
bookworm (security)128.3.1esr-1~deb12u1fixed
trixie128.3.0esr-2fixed
sid128.3.1esr-2fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2fixed
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1fixed
buster (security), buster, buster (lts)1:115.12.0-1~deb10u1fixed
bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:115.15.0-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1fixed
bookworm (security)1:115.15.0-1~deb12u1fixed
trixie1:128.2.0esr-1fixed
sid1:128.3.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)63.0-1
firefox-esrsourcewheezy(unfixed)end-of-life
firefox-esrsourcejessie60.3.0esr-1~deb8u1DLA-1571-1
firefox-esrsourcestretch60.3.0esr-1~deb9u1DSA-4324-1
firefox-esrsource(unstable)60.3.0esr-1
thunderbirdsourcewheezy(unfixed)end-of-life
thunderbirdsourcejessie1:60.3.0-1~deb8u1DLA-1575-1
thunderbirdsourcestretch1:60.3.0-1~deb9u1DSA-4337-1
thunderbirdsource(unstable)1:60.3.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12393
https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12393
https://www.mozilla.org/en-US/security/advisories/mfsa2018-28/#CVE-2018-12393

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