CVE-2026-112112: BIRD 2.0.9 through 2.20.0, 3.0.0 through 3.4.0

Affected technology

BIRD · 2.0.9 through 2.20.0, 3.0.0 through 3.4.0
nic

Component: IPv6 FlowSpec validation
Function: net_flow_has_dst_prefix
File: nest/rt-table.c

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 2.3/10) rates confidentiality and availability impact as none; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.