CVE-2021-44568

NameCVE-2021-44568
DescriptionTwo 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.
SourceCVE (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 PackageReleaseVersionStatus
libsolv (PTS)buster0.6.35-2+deb10u1vulnerable
bullseye0.7.17-1fixed
bookworm, sid0.7.22-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsolvsource(unstable)0.7.17-1unimportant

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

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