CVE-2023-41359

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-29. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0

A fix is available — apply it.

An issue was discovered in FRRouting FRR through 9.0. There is an out-of-bounds read in bgp_attr_aigp_valid in bgpd/bgp_attr.c because there is no check for the availability of two bytes during AIGP validation.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity91% × 45%
Exploitation1% × 40%
Automatability30% × 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 (4)

Auto-updated Aug 1, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

[SECURITY] Fedora 38 Update: frr-8.5.3-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/
generic

[SECURITY] Fedora 39 Update: frr-8.5.3-1.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
generic

[SECURITY] Fedora 37 Update: frr-8.5.3-1.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/
github_pr

bgpd: Make sure we have enough data to read two bytes when validating AIGP

Fix merged in FRRouting/frr PR #14232 on 2023-08-24 — awaiting tagged release

https://github.com/FRRouting/frr/pull/14232

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatfrr-0:8.5.3-4.el92024-04-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

All Vendor Advisories

(2)

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 / 46× 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 135 total refreshes for this CVE.

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Frequently asked(5)

What is CVE-2023-41359?
CVE-2023-41359 is a critical vulnerability published on August 29, 2023. An issue was discovered in FRRouting FRR through 9.0. There is an out-of-bounds read in bgpattraigpvalid in bgpd/bgpattr.c because there is no check for the availability of two bytes during AIGP validation.
When was CVE-2023-41359 disclosed?
CVE-2023-41359 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-2023-41359 actively exploited?
CVE-2023-41359 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 41.8% of all scored CVEs.
What is the CVSS score of CVE-2023-41359?
CVE-2023-41359 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2023-41359?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41359, 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.

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