CVE-2023-41361

CRITICALNVD 9.89.8—

9.8

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)
EPSS: 59.9%
KEV: Not listed

Published

August 29, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 24, 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

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

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.

Microsoft MSRCCVE-2023-413612024-06-30
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.

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
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2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch

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 November 21, 2024. 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 59.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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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Frequently asked(5)

What is CVE-2023-41361?

When was CVE-2023-41361 disclosed?

Is CVE-2023-41361 actively exploited?

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?

CVE-2023-41361

Published

Last Modified

Advisory Details (2)

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

bgpd: Check the length of the rcv software version

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-41361?

CVE-2023-41361

Published

Last Modified

Advisory Details (2)

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

bgpd: Check the length of the rcv software version

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-41361?

Same vendor

Same CWE

CVE-2023-41361

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

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

bgpd: Check the length of the rcv software version

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-41361?

CVE-2023-41361

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

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

bgpd: Check the length of the rcv software version

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-41361?

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