What is CVE-2023-46752?

CVE-2023-46752 is a medium-severity vulnerability in Frrouting. CVSS score: 5.9/10. Published 2023-10-26.

How severe is CVE-2023-46752?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Frrouting

CVE-2023-46752

An issue was discovered in FRRouting FRR through 9.0.1. It mishandles malformed MP_REACH_NLRI data, leading to a crash.

Published 2023-10-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Frrouting

References

github.com/FRRouting/frr/pull/14645/commits/b08afc81c60607a4f736f418f2e3eb06087… (Patch)
lists.debian.org/debian-lts-announce/2024/04/msg00019.html (mailing-list)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-46752?: CVE-2023-46752 is a medium-severity vulnerability in Frrouting. CVSS score: 5.9/10. Published 2023-10-26.
How severe is CVE-2023-46752?: Medium severity. CVSS v3 base score is 5.9 out of 10.