| Name | CVE-2026-37458 |
| Description | Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| frr (PTS) | bullseye | 7.5.1-1.1+deb11u2 | vulnerable |
| bullseye (security) | 7.5.1-1.1+deb11u4 | vulnerable |
| bookworm, bookworm (security) | 8.4.4-1.1~deb12u1 | vulnerable |
| trixie | 10.3-3 | vulnerable |
| forky, sid | 10.6.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| frr | source | (unstable) | 10.6.0-2 | | | |
Notes
https://github.com/FRRouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8 (master)
https://github.com/FRRouting/frr/commit/638ee72802b159056234400037421cc5749185be (frr-10.6.0)