CVE-2023-38406

CRITICAL

FRR <8.4.3 - Buffer Overflow

Title source: llm
STIX 2.1

Description

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

Scores

CVSS v3 9.8
EPSS 0.0014
EPSS Percentile 34.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-755
Status published
Products (1)
frrouting/frrouting < 8.4.3
Published Nov 06, 2023
Tracked Since Feb 18, 2026