CVE-2025-61107

frr: NULL pointer dereference in show_vty_ext_pref_pref_sid() in ospf_ext.c

Published Oct 28, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LSA Update packet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-6322-1 frr security update
Ubuntu USN Ubuntu USN USN-8046-1 FRR vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Frrouting
Frrouting frrouting
Vendors & Products Frrouting
Frrouting frrouting
Type Values Removed Values Added
Title frr: NULL pointer dereference in show_vty_ext_pref_pref_sid() in ospf_ext.c
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Weaknesses CWE-476
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
Description FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LSA Update packet.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 28, 2025, 5:13 PM
Reserved
Sep 26, 2025, 12:00 AM
Status
Analyzed
Published
Oct 28, 2025, 3:16 PM
Modified
Jun 17, 2026, 9:50 AM
Severity
Moderate
Public date
Oct 28, 2025, 12:00 AM