Description
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
Published: 2023-11-06
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3797-1 frr security update
Debian DLA Debian DLA DLA-3865-1 frr security update
Ubuntu USN Ubuntu USN USN-6498-1 FRR vulnerabilities
Ubuntu USN Ubuntu USN USN-6807-1 FRR vulnerabilities
History

Tue, 04 Nov 2025 17:30:00 +0000

Type Values Removed Values Added
References

Tue, 04 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Frrouting Frrouting
Redhat Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T16:10:14.828Z

Reserved: 2023-07-17T00:00:00.000Z

Link: CVE-2023-38406

cve-icon Vulnrichment

Updated: 2025-11-04T16:10:14.828Z

cve-icon NVD

Status : Modified

Published: 2023-11-06T06:15:40.850

Modified: 2025-11-04T17:15:37.680

Link: CVE-2023-38406

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-02-24T00:00:00Z

Links: CVE-2023-38406 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses