An issue was discovered in FRRouting FRR through 9.0.
Priority LOW 35CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
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.
Why it matters now
EPSS 0.01119 66th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:* | up to 9.0 | Vulnerable | FRRouting |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
- cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:* Versions up to 9.0 Vulnerable ·FRRouting
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
Remediation
Red Hat 2 advisories
- RHSA-2024:2981 Released 2024-05-22 · Red Hat rating Moderatefrr security update
- Red Hat Enterprise Linux AppStream (v. 8) frr-7.5.1-22.el8, frr-selinux-7.5.1-22.el8
- RHSA-2024:2156 Released 2024-04-30 · Red Hat rating Moderatefrr security update
- Red Hat Enterprise Linux AppStream (v. 9) frr-8.5.3-4.el9, frr-selinux-8.5.3-4.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:2981 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2156 |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-41909
- 2026-10-03 Alias added: GHSA-qvhj-42gp-xfmw
References
Sources
- CVE-2023-41909 · CVE Program
- CVE-2023-41909 · NVD
- FIRST EPSS
- GHSA-qvhj-42gp-xfmw · GitHub Advisory Database · CC BY 4.0
- CVE-2023-41909 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences