CVE-2023-38406

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-38406
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 Patch
https://github.com/FRRouting/frr/pull/12884 Issue Tracking Patch
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 Patch
https://github.com/FRRouting/frr/pull/12884 Issue Tracking Patch
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html
Configurations

Configuration 1 (hide)

cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*
History

04 Nov 2025, 17:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html -

21 Nov 2024, 08:13

Type Values Removed Values Added
References () https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 - Patch () https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 - Patch
References () https://github.com/FRRouting/frr/pull/12884 - Issue Tracking, Patch () https://github.com/FRRouting/frr/pull/12884 - Issue Tracking, Patch
References () https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html - () https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html -

28 Apr 2024, 07:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html -

14 Nov 2023, 20:03

Type Values Removed Values Added
First Time Frrouting frrouting
Frrouting
CPE cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*
References (MISC) https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 - (MISC) https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3 - Patch
References (MISC) https://github.com/FRRouting/frr/pull/12884 - (MISC) https://github.com/FRRouting/frr/pull/12884 - Issue Tracking, Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-755

06 Nov 2023, 06:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-11-06 06:15

Updated : 2025-11-04 17:15

NVD link : CVE-2023-38406

Mitre link : CVE-2023-38406

CVE.ORG link : CVE-2023-38406

JSON object : View

Products Affected

frrouting

  • frrouting
CWE
CWE-755

Improper Handling of Exceptional Conditions