CVE-2021-29948

Name	CVE-2021-29948
Description	Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
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-2632-1, DSA-4897-1

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)	1:128.9.0esr-1~deb11u1	fixed
	bookworm	1:128.8.0esr-1~deb12u1	fixed
	bookworm (security)	1:128.9.0esr-1~deb12u1	fixed
	sid, trixie	1:128.9.0esr-1	fixed

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

Package	Type	Release	Fixed Version	Origin
thunderbird	source	stretch	1:78.10.0-1~deb9u1	DLA-2632-1
thunderbird	source	buster	1:78.10.0-1~deb10u1	DSA-4897-1
thunderbird	source	(unstable)	1:78.10.0-1

https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948