https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T07:52:33.955025+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-41401 CVE-2026-41401 — libyang - Heap Use-After-Free Write in XML Metadata Parsing 2026-09-29T07:52:33.957436+00:00

Affected: libyang

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.