CVE-2023-41909
HIGHFRRouting < 9.0 - Denial of Service via NULL Pointer Dereference in BGP FlowSpec Parser
Title source: llmDescription
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
Mailing List vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
Scores
CVSS v3
7.5
EPSS
0.0010
EPSS Percentile
27.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (5)
debian/debian_linux
10.0
fedoraproject/fedora
37
fedoraproject/fedora
38
fedoraproject/fedora
39
frrouting/frrouting
< 9.0
Published
Sep 05, 2023
Tracked Since
Feb 18, 2026