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Affected Component
Analysis
libyang
Exploitable
Name
CVE-2026-41401
Description
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.1
CVSSv4
6.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
libyang (yocto:scarthgap)
#
Title
Author
Resolve
1
parser common BUGFIX invalid metadata removal
Michal Vasko <mvasko@cesnet.cz>
CVE-2026-41401