{"id":"CVE-2026-115327","published":"2026-10-22T11:17:51.730","lastModified":"2026-10-22T17:39:56.760","description":"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.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-824"],"vendors":[],"products":[],"references":[{"url":"https://github.com/CESNET/libyang","tags":[]},{"url":"https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1196-L1224","tags":[]},{"url":"https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1330-L1342","tags":[]},{"url":"https://github.com/CESNET/libyang/commit/927fce908774289a7d9c07fff5704c33965c9773","tags":[]},{"url":"https://github.com/CESNET/libyang/issues/2595","tags":[]},{"url":"https://hackmd.io/@haindpwn/libyang-netconf-rpc-envelope-uninit-free","tags":[]},{"url":"https://www.vulncheck.com/advisories/libyang-through-6.4.13-uninitialized-pointer-free-in-netconf-rpc-parser","tags":[]}],"exploitRefs":[{"url":"https://github.com/CESNET/libyang","tags":[]},{"url":"https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1196-L1224","tags":[]},{"url":"https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1330-L1342","tags":[]},{"url":"https://github.com/CESNET/libyang/commit/927fce908774289a7d9c07fff5704c33965c9773","tags":[]},{"url":"https://github.com/CESNET/libyang/issues/2595","tags":[]}],"hasPoc":true,"ai":null}