CVE-2023-41909
7.5
HIGH
CVSS 3.1
EPSS 0.10%
Description
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
How to fix CVE-2023-41909
To remediate CVE-2023-41909, upgrade the affected package to a fixed version below.
- Debian/frr—upgrade to 7.5.1-1.1+deb11u3 or later
Is CVE-2023-41909 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 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |