CVE-2025-61103

high

Description

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

References

Advisories
More

https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61103.md

https://github.com/FRRouting/frr/pull/19480

https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3

https://github.com/FRRouting/frr/issues/19471

Details

Source: Mitre, NVD

Published: 2025-10-28

Updated: 2025-10-31

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00042