CVE-2026-49943

A flaw was found in the BIRD Internet Routing Daemon. An established BGP Border Gateway Protocol peer can send a specially crafted BGP UPDATE message containing an unusually long ASPATH Autonomous System Path attribute. When a BIRD filter evaluates an AS path mask expression, this can lead to a...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-49943

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

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...

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...

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...

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...