CVE-2026-41401 (GCVE-0-2026-41401)
Vulnerability from cvelistv5
Published
2026-05-26 14:08
Modified
2026-05-26 17:58
Severity ?
7.1 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Summary
libyang before 5.2.6 contains a heap use-after-free write vulnerability in lyd_parser_set_data_flags that incorrectly updates metadata list pointers when freeing non-head default metadata entries. Attackers can trigger this vulnerability by submitting crafted YANG XML documents with specific metadata attributes to applications parsing untrusted XML data, causing process crashes or potential code execution.
References
Impacted products
Vendor Product Version
libyang libyang Version: 0   < 5.4.3
Patch: 5.4.3
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