CVE-2023-38406
CRITICALFRRouting < 8.4.3 - Denial of Service via Flowspec NLRI Length Zero
Title source: llmDescription
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
References (4)
Core 4
Core References
Issue Tracking, Patch
https://github.com/FRRouting/frr/pull/12884
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
Scores
CVSS v3
9.8
EPSS
0.0094
EPSS Percentile
56.1%
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