CVE-2021-28905

NameCVE-2021-28905
DescriptionIn function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs989060

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libyang (PTS)buster0.16.105-1+deb10u1vulnerable
bookworm, sid, bullseye1.0.225-1.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libyangsource(unstable)(unfixed)989060

Notes

[bullseye] - libyang <no-dsa> (Minor issue)
[buster] - libyang <no-dsa> (Minor issue)
https://github.com/CESNET/libyang/issues/1452

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