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...

AZL-86816 CVE-2026-44673 affecting package libyang for versions less than 2.1.148-3

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

DEBIAN-CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

UBUNTU-CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...