CVE-2025-43915

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.

Published: May 5, 2025
Updated: Aug 11, 2025
CVE: CVE-2025-43915
GHSA: GHSA-42mr-jpwh-m9rv
Severity: Medium
Exploit:

CVSS v3:

Severity: Unknown
Score:
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

CWEs:

CWE-400

Affected Software
References

Software	From	Fixed in
github.com/linkerd/linkerd2	-	0.0.0-20250212165942-faa3f617eef5
linkerd / buoyant	2.13.0	2.13.7.x
linkerd / buoyant	2.14.0	2.14.10.x
linkerd / buoyant	2.15.0	2.15.7.x
linkerd / buoyant	2.16.0	2.16.5
linkerd / buoyant	2.17.0	2.17.2
linkerd / linkerd	-	25.2.1

https://docs.buoyant.io/security/advisories/2025-01
https://docs.buoyant.io/security/advisories/2025-01/
https://pkg.go.dev/vuln/GO-2025-3664
https://www.buoyant.io/resources

Vulnerability Database

CVE-2025-43915

Deep Security Visibility Without the Complexity