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VULNERABILITIES

CVE-2026-115327 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://hackmd.io/@haindpwn/cve-2026-115327-libyang-netconf-rpc-envelope-uninit-free CISA-ADP
https://github.com/CESNET/libyang [email protected]
https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1196-L1224 [email protected]
https://github.com/CESNET/libyang/blob/v6.4.13/src/parser_xml.c#L1330-L1342 [email protected]
https://github.com/CESNET/libyang/commit/927fce908774289a7d9c07fff5704c33965c9773 [email protected]

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-824Access of Uninitialized Pointer[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-115327
NVD Published Date:
Oct 22, 2026
NVD Last Modified:
Oct 29, 2026
Source:
[email protected]