CVE-2020-28928

Name	CVE-2020-28928
Description	In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2474-1
Debian Bugs	975365

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
musl (PTS)	bullseye	1.2.2-1	fixed
	bookworm	1.2.3-1	fixed
	forky, sid, trixie	1.2.5-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
musl	source	stretch	1.1.16-3+deb9u1		DLA-2474-1
musl	source	(unstable)	1.2.2-1			975365

Notes

[buster] - musl <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2020/11/20/4
https://git.musl-libc.org/cgit/musl/commit/?id=3ab2a4e02682df1382955071919d8aa3c3ec40d4 (v1.2.2)