Vulnerability DatabaseCVE-2026-115327
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CVE-2026-115327
Published:October 22, 2026
Updated:November 02, 2026
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.
Related Resources (10)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115327.json
https://github.com/CESNET/libyang/commit/927fce908774289a7d9c07fff5704c33965c9773
https://nvd.nist.gov/vuln/detail/CVE-2026-115327
https://github.com/CESNET/libyang/issues/2595
https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1196-L1224
https://github.com/CESNET/libyang
https://hackmd.io/@haindpwn/cve-2026-115327-libyang-netconf-rpc-envelope-uninit-free
https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1330-L1342
https://hackmd.io/@haindpwn/libyang-netconf-rpc-envelope-uninit-free
https://www.vulncheck.com/advisories/libyang-through-6.4.13-uninitialized-pointer-free-in-netconf-rpc-parser
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Access of Uninitialized Pointer
CWE-824
EPSS
Base Score:
0.31