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Vulnerability record · CVE-2023-41361 · published 29 August 2023

CVE-2023-41361: Frrouting classic buffer overflow vulnerability

Frrouting · Frrouting

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

9.8 CVSS 3.1 Critical EPSS 0.90% · top 41.9% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/FRRouting/frr/pull/14241 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html Mailing ListThird Party Advisory
https://github.com/FRRouting/frr/pull/14241 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-41361), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.