CVE-2026-115327mediumCWE-824

CVE-2026-115327: medium-severity vulnerability in CESNET libyang

libyang through 6.4.13 Uninitialized Pointer Free in NETCONF RPC Parser

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6epss 0.3%
libyang 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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
CESNET · libyang
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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