CVE-2023-38406
9.8
CRITICAL
CVSS 3.1
EPSS 0.11%
Description
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
How to fix CVE-2023-38406
To remediate CVE-2023-38406, upgrade the affected package to a fixed version below.
- Debian/frr—upgrade to 7.5.1-1.1+deb11u3 or later
Is CVE-2023-38406 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7.5.1-1.1+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |