Vulnerability · Published May 5, 2025 · Assigned by mitre
CVE-2025-43915
Medium 6.5
In plain English
A medium-severity uncontrolled resource consumption in the github.com/linkerd/linkerd2 package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 72.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/linkerd/linkerd2 | 0.0.0-20250212165942-faa3f617eef5 | GHSA-42mr-jpwh-m9rv |
| Go | github.com/linkerd/linkerd2 | no fix listed | GO-2025-3664 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H