No exploitation reportedFix available

CVE-2023-41358

No exploitation reported by the sources we read.

Published2023-08-29
WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in FRRouting FRR through 9.0. bgpd/bgp_packet.c processes NLRIs if the attribute length is zero.

Timeline

dates in UTC

2023-08-2904:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-41358?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-41358?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Debian debian linux

Branch	Affected	Fixed in	Source
10.0	= 10.0	no fix published	NVD
11.0	= 11.0	no fix published	NVD
12.0	= 12.0	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
37.x	= 37	no fix published	NVD
38.x	= 38	no fix published	NVD
39.x	= 39	no fix published	NVD

Frrouting

Branch	Affected	Fixed in	Source
9.0	≤ 9.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

frrAlmaLinux:9all versions · fixed in 8.5.3-4.el9and 1 other package
frrAlmaLinux:8all versions · fixed in 7.5.1-22.el8and 1 other package

Full record on NVD

Fix

Advisories and patches

github.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDweakness (CWE)CWE-476read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2023-08-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-41358?

An issue was discovered in FRRouting FRR through 9.0. bgpd/bgp_packet.c processes NLRIs if the attribute length is zero.

Is CVE-2023-41358 actively exploited?

Active exploitation of CVE-2023-41358 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-41358?

CVE-2023-41358 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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