What is CVE-2023-38406?

CVE-2023-38406 is a critical-severity vulnerability in Frrouting, classified under Improper Handling of Exceptional Conditions. CVSS score: 9.8/10. Published 2023-11-06.

How severe is CVE-2023-38406?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Frrouting

CVE-2023-38406

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

EPSS: 0.009 (56.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Frrouting
N/a — versions n/a

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

cve@mitre.org (Patch, Issue Tracking)
cve@mitre.org (Patch)
cve@mitre.org (mailing-list)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-38406?: CVE-2023-38406 is a critical-severity vulnerability in Frrouting, classified under Improper Handling of Exceptional Conditions. CVSS score: 9.8/10. Published 2023-11-06.
How severe is CVE-2023-38406?: Critical severity. CVSS v3 base score is 9.8 out of 10.