CVE-2018-12373

Name	CVE-2018-12373
Description	dDecrypted 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1425-1, DSA-4244-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
thunderbird (PTS)	jessie, jessie (lts)	1:68.9.0-1~deb8u2	fixed
	stretch (security), stretch (lts), stretch	1:91.10.0-1~deb9u1	fixed
	buster (security), buster, buster (lts)	1:115.12.0-1~deb10u1	fixed
	bullseye	1:115.12.0-1~deb11u1	fixed
	bullseye (security)	1:128.4.3esr-1~deb11u1	fixed
	bookworm	1:115.16.0esr-1~deb12u1	fixed
	bookworm (security)	1:128.4.3esr-1~deb12u1	fixed
	sid, trixie	1:128.4.3esr-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
thunderbird	source	wheezy	(unfixed)	end-of-life
thunderbird	source	jessie	1:52.9.1-1~deb8u1		DLA-1425-1
thunderbird	source	stretch	1:52.9.1-1~deb9u1		DSA-4244-1
thunderbird	source	(unstable)	1:52.9.0-1

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