CVE-2018-12373

NameCVE-2018-12373
DescriptiondDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1425-1, DSA-4244-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.5.0esr-1~deb11u1fixed
bookworm1:115.16.0esr-1~deb12u1fixed
bookworm (security)1:128.5.0esr-1~deb12u1fixed
sid, trixie1:128.5.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
thunderbirdsourcejessie1:52.9.1-1~deb8u1DLA-1425-1
thunderbirdsourcestretch1:52.9.1-1~deb9u1DSA-4244-1
thunderbirdsource(unstable)1:52.9.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-12373

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