CVE-2023-38406

critical

Description

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

References

https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html

https://github.com/FRRouting/frr/pull/12884

https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3

Details

Source: Mitre, NVD

Published: 2023-11-06

Updated: 2024-04-28

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00438