Resource exhaustion in Yarnpkg Yarn
CVE-2025-9308
A vulnerability has been found in yarnpkg Yarn up to 1.22.22. This impacts the function setOptions of the file src/util/request-manager.js. Such manipulation leads to inefficient regular expression complexity. Local access is required to a…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Yarnpkg Yarn — versions 1.22.0, 1.22.1, 1.22.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2025-9308?
- CVE-2025-9308 is a low-severity vulnerability in Yarnpkg Yarn, classified under Uncontrolled Resource Consumption. CVSS score: 3.3/10. Published 2025-08-21.
- How severe is CVE-2025-9308?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2025-9308 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.