CVE-2023-38406

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

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

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 -

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

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