CVE-2025-9308

Description

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 approach this attack. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3.1 Score

3.3

LOW

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-1333 CWE-1333

Affected Products

Vendor	Product	Versions
yarnpkg	yarn	< 1.22.22

References

Exploits

https://github.com/yarnpkg/yarn/pull/9203 https://github.com/yarnpkg/yarn/pull/9203

Other References

https://vuldb.com/?ctiid.320913 https://vuldb.com/?id.320913 https://vuldb.com/?submit.633486

Frequently Asked Questions

What is 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 approach this attack. This vulnerability only affects products that are no longer supported by the maintainer. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-9308? +

CVE-2025-9308 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-9308? +

CVE-2025-9308 affects products from yarnpkg, specifically: yarn. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9308? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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