CVE-2026-115327

NameCVE-2026-115327
Descriptionlibyang through 6.4.13 contains an uninitialized pointer free vulnerability in lydxml_env_netconf_rpc() in src/parser_xml.c when parsing NETCONF rpc action envelopes. Peers with a NETCONF session can send an action element containing non-whitespace text via lyd_parse_op() to crash servers like netopeer2 or corrupt the heap.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libyang (PTS)trixie3.12.2-1vulnerable
forky, sid6.4.13-1vulnerable
libyang2 (PTS)bookworm2.1.30-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libyangsource(unstable)(unfixed)
libyang2source(unstable)(unfixed)

Notes

[trixie] - libyang <no-dsa> (Minor issue)
https://github.com/CESNET/libyang/issues/2595
Fixed by: https://github.com/CESNET/libyang/commit/927fce908774289a7d9c07fff5704c33965c9773

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