libyang: libyang: Denial of Service or arbitrary code execution via maliciously crafted LYB binary blob

A flaw was found in libyang, a YANG data modeling language library. An integer overflow in the lybreadstring function can lead to a heap buffer overflow when parsing a maliciously crafted LYB binary blob. A remote attacker, by supplying this malicious LYB data to any libyang consumer such as a...

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...

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...

libyang: libyang: Denial of Service or arbitrary code execution via maliciously crafted LYB binary blob

A flaw was found in libyang, a YANG data modeling language library. An integer overflow in the lybreadstring function can lead to a heap buffer overflow when parsing a maliciously crafted LYB binary blob. A remote attacker, by supplying this malicious LYB data to any libyang consumer such as a...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound through the lybreadstring function in src/parserlyb.c when parsing a specially crafted LYB binary blob. An attacker can cause a crash or corrupt the heap by supplying malicious LYB data to a consumer of th...

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...

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...

CVE-2026-44673 libyang: lyb_read_string() integer overflow → heap buffer overflow

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: lyb_read_string() integer overflow → heap buffer overflow

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: Integer Overflow or Wraparound

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...