CVE-2021-44568

Name	CVE-2021-44568
Description	Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libsolv (PTS)	buster	0.6.35-2+deb10u1	vulnerable
	bullseye	0.7.17-1	fixed
	bookworm, sid	0.7.23-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libsolv	source	(unstable)	0.7.17-1	unimportant

Notes

https://github.com/openSUSE/libsolv/issues/425
https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec (0.7.17)
Issue is fixed in the testcase; negligible security impact