SUSE-SU-2026:2337-1 Security update for libyang

This update for libyang fixes the following issues - CVE-2026-41401: use-after-free in lydparsersetdataflags when processing crafted YANG XML documents with specific metadata attributes bsc1266316. - CVE-2026-44673: integer overflow in lybreadstring of src/parserlyb.c leads to heap buffer overflo...

Security update for libyang

This update for libyang fixes the following issues CVE-2026-41401: use-after-free in lydparsersetdataflags when processing crafted YANG XML documents with specific metadata attributes bsc1266316. CVE-2026-44673: integer overflow in lybreadstring of src/parserlyb.c leads to heap buffer overflow wh...

SUSE-SU-2026:2335-1 Security update for libyang

This update for libyang fixes the following issues - CVE-2026-41401: use-after-free in lydparsersetdataflags when processing crafted YANG XML documents with specific metadata attributes bsc1266316. - CVE-2026-44673: integer overflow in lybreadstring of src/parserlyb.c leads to heap buffer overflo...

SUSE-SU-2026:2334-1 Security update for libyang

This update for libyang fixes the following issues - CVE-2026-41401: use-after-free in lydparsersetdataflags when processing crafted YANG XML documents with specific metadata attributes bsc1266316. - CVE-2026-44673: integer overflow in lybreadstring of src/parserlyb.c leads to heap buffer overflo...

CVE-2026-41401

libyang before 5.2.6 contains a heap use-after-free write vulnerability in lydparsersetdataflags 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...

PT-2026-43252

Name of the Vulnerable Software and Affected Versions libyang versions prior to 5.2.6 Description A heap use-after-free write occurs in the lyd parser set data flags function. This happens when the software incorrectly updates metadata list pointers while freeing non-head default metadata entries...