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Vulnerability record · CVE-2025-43915 · published 5 May 2025

CVE-2025-43915: Linkerd buoyant uncontrolled resource consumption vulnerability

Linkerd · Buoyant

In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.0–2.13.7, 2.14.0–2.14.10, 2.15.0–2.15.7, 2.16.0–2.16.4, and 2.17.0–2.17.1, resource exhaustion can occur for Linkerd proxy metrics.

6.5 CVSS 3.1 Medium EPSS 0.33% · top 76.2% CWE-400 · Uncontrolled resource consumption
6.5CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.0–2.13.7, 2.14.0–2.14.10, 2.15.0–2.15.7, 2.16.0–2.16.4, and 2.17.0–2.17.1, resource exhaustion can occur for Linkerd proxy metrics.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.buoyant.io/security/advisories/2025-01/ Vendor Advisory
https://www.buoyant.io/resources Product

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Source: NIST National Vulnerability Database (record CVE-2025-43915), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.