CVE-2023-47234

frr: crash from specially crafted MP_UNREACH_NLRI-containing BGP UPDATE message

Published Nov 3, 2023 CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Description
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data (that lacks mandatory path attributes).

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-6498-1 FRR vulnerabilities
Ubuntu USN Ubuntu USN USN-6807-1 FRR vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 4:10 PM
Reserved
Nov 3, 2023, 12:00 AM
Status
Modified
Published
Nov 3, 2023, 9:15 PM
Modified
Jun 17, 2026, 6:32 AM
Severity
Moderate
Public date
Nov 3, 2023, 12:00 AM