CVE-2025-61099 — NULL Pointer Dereference in Frrouting

CWE-476 — NULL Pointer Dereference7 documents7 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 59.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Debian FRRFrroutingMsrc Azl3 FRR 9.1.1-3 ON Azure Linux 3.0+5 more
Timeline
PublishedOct 27
Latest updateFeb 17

Description

FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LS Update packet.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages8 packages

▶NVDfrrouting/frrouting2.0 — 10.4.1
▶debiandebian/frr< frr 10.5.1-3 (forky)

Patches

Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2025-61099: FRRouting/frr from v2↗2025-10-27
▶
GHSA
GHSA-6xr9-vq37-4x64: FRRouting/frr from v2↗2025-10-27
▶

📋Vendor Advisories

4
Ubuntu
FRR vulnerabilities↗2026-02-17
▶
Red Hat
FRRouting: frr: NULL Pointer Dereference in FRRouting↗2025-10-27
▶
Microsoft
FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial↗2025-10-14
▶
Debian
CVE-2025-61099: frr - FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer...↗2025
▶