CVE-2023-46753

frr: crafted BGP UPDATE message leading to a crash

Published Oct 26, 2023 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur for a crafted BGP UPDATE message without mandatory attributes, e.g., one with only an unknown transit attribute.

Remediation

No solution or workaround provided in the CVE record

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-6481-1 FRR vulnerabilities
Ubuntu USN Ubuntu USN USN-6482-1 Quagga vulnerabilities
Ubuntu USN Ubuntu USN USN-6807-1 FRR vulnerabilities
History
Type Values Removed Values Added
Weaknesses CWE-863
Metrics ssvc

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

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 4:10 PM
Reserved
Oct 26, 2023, 12:00 AM
Status
Modified
Published
Oct 26, 2023, 5:15 AM
Modified
Jun 17, 2026, 6:31 AM
Severity
Moderate
Public date
Oct 26, 2023, 12:00 AM