CVE-2023-50762

Name	CVE-2023-50762
Description	When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a different context, such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects Thunderbird < 115.6.
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-3698-1, DSA-5582-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
thunderbird (PTS)	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)	1:128.4.0esr-1~deb12u1	fixed
	trixie	1:128.4.2esr-1	fixed
	sid	1:128.4.3esr-1	fixed

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

Package	Type	Release	Fixed Version	Origin
thunderbird	source	buster	1:115.6.0-1~deb10u1	DLA-3698-1
thunderbird	source	bullseye	1:115.6.0-1~deb11u1	DSA-5582-1
thunderbird	source	bookworm	1:115.6.0-1~deb12u1	DSA-5582-1
thunderbird	source	(unstable)	1:115.6.0-1

https://www.mozilla.org/en-US/security/advisories/mfsa2023-55/#CVE-2023-50762