CVE-2026-41401 - libyang - Heap Use-After-Free Write in XML Metadata Parsing

CVE-2026-41401 - libyang - Heap Use-After-Free Write in XML Metadata Parsing

https://cvefeed.io/rssfeed/latest.atom / Tue, 05/26/2026 - 17:25
CVE ID :CVE-2026-41401
Published : May 26, 2026, 2:08 p.m. | 51 minutes ago
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.
Severity: 6.9 | MEDIUM
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