CVE-2026-49943

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP ASPATH mask matching implementation in nest/a-path.c. The aspathmatch function uses a fixed-size stack array of 2048 + 1 pmpos entries, while parsepath expands ASPATH segments from a received BGP...

CVE-2026-49943

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP ASPATH mask matching implementation in nest/a-path.c. The aspathmatch function uses a fixed-size stack array of 2048 + 1 pmpos entries, while parsepath expands ASPATH segments from a received BGP...

CVE-2026-49943

CZ.NIC BIRD Internet Routing Daemon (up to version 2.19.0) is affected by a stack-based buffer overflow in the BGP AS_PATH mask matching implementation (nest/a-path.c). The as_path_match() routine uses a fixed-size stack capable of 2048 + 1 pm_pos entries, while parse_path() expands AS_PATH segme...

EUVD-2026-33980

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP ASPATH mask matching implementation in nest/a-path.c. The aspathmatch function uses a fixed-size stack array of 2048 + 1 pmpos entries, while parsepath expands ASPATH segments from a received BGP...

PT-2026-45806

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP AS PATH mask matching implementation in nest/a-path.c. The as path match function uses a fixed-size stack array of 2048 + 1 pm pos entries, while parse path expands AS PATH segments from a receive...

BIRD 安全漏洞

BIRD is a full-featured dynamic IP routing daemon developed by BIRD OpenSource. Versions of BIRD prior to 2.19.0 contained security vulnerabilities; these vulnerabilities stemmed from stack buffer overflows in the BGP ASPATH mask matching implementation, which could potentially cause the daemon t...