libyang: lyb_read_string() integer overflow → heap buffer overflow

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SUSE 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...

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...

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...

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...

CVE-2026-44673

CVE-2026-44673 affects libyang. The issue is an integer overflow in lyb_read_string() in src/parser_lyb.c, leading to a heap buffer overflow when parsing malicious LYB binary blobs. Affected path includes any libyang consumer that processes LYB data (e.g., NETCONF servers, sysrepo). Impact is cra...

EUVD-2026-30484

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...

libyang 输入验证错误漏洞

LibYang is an open-source YANG data modeling language parser and toolkit developed in C language by CESNET. Versions of LibYang prior to 5.2.15 contained a vulnerability related to input validation errors. This vulnerability stemmed from an integer overflow in the lybreadstring function, which...