CVE-2023-41361

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-29. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
58%
KEV
Not listed

Published

August 29, 2023

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Sep 21, 2026
Patch available. Sources: github_pr.
generic Patch Available

[SECURITY] [DLA 3573-1] frr security update

https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
github_pr

bgpd: Check the length of the rcv software version

Fix merged in FRRouting/frr PR #14241 on 2023-08-21 — awaiting tagged release

https://github.com/FRRouting/frr/pull/14241

Affected Packages

(4 across 4 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
frr6.0.2-2 ... 7.5.1-1.1 (12 versions)7.5.1-1.1+deb10u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
frr10.0-0.1 ... 9.1-0.1 (53 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
frr—9.1-0.1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
frr—9.1-0.1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 183 total refreshes for this CVE.

  1. 2026-09-24 14:01 UTCEPSS rescore
  2. 2026-09-24 14:01 UTCEPSS rescore
  3. 2026-09-23 13:46 UTCEPSS rescore
  4. 2026-09-23 01:32 UTCOSV refresh
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  23. 2026-09-03 20:16 UTCOSV refresh
  24. 2026-09-02 14:09 UTCEPSS rescore
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  1. 2026-08-30 19:15 UTCEPSS rescore
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  15. 2026-08-17 09:38 UTCOSV refresh
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  49. 2026-07-23 02:26 UTCEG score recompute
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  51. 2026-07-22 14:06 UTCEPSS rescore
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  63. 2026-07-15 11:19 UTCOSV refresh
  64. 2026-07-15 01:58 UTCEPSS rescore
  65. 2026-07-13 22:28 UTCEPSS rescore
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  73. 2026-07-09 19:08 UTCEPSS rescore
  74. 2026-07-08 15:13 UTCEPSS rescore
  75. 2026-07-07 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-41361?
CVE-2023-41361 is a critical vulnerability published on August 29, 2023. An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.
When was CVE-2023-41361 disclosed?
CVE-2023-41361 was first published in the National Vulnerability Database on August 29, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-41361 actively exploited?
CVE-2023-41361 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 42.1% of all scored CVEs.
What is the CVSS score of CVE-2023-41361?
CVE-2023-41361 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-41361?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41361, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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