yarnpkg Yarn up to 1.22.22 request-manager.js setOptions redos

Summaryinfo

A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function setOptions of the file src/util/request-manager.js. Performing a manipulation results in redos. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability was named CVE-2025-9308. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in yarnpkg Yarn up to 1.22.22. This affects the function setOptions of the file src/util/request-manager.js. The manipulation with an unknown input leads to a redos vulnerability. CWE is classifying the issue as CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. This is going to have an impact on availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-9308. The exploitability is told to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1449.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 260189 (Linux Distros Unpatched Vulnerability : CVE-2025-9308), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (260189). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 260189
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-9308

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/21/2025 Advisory disclosed
08/21/2025 +0 days VulDB entry created
09/12/2025 +22 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 9203
Status: Not defined

CVE: CVE-2025-9308 (🔒)
GCVE (CVE): GCVE-0-2025-9308
GCVE (VulDB): GCVE-100-320913

Entryinfo

Created: 08/21/2025 08:03
Updated: 09/12/2025 15:07
Changes: 08/21/2025 08:03 (54), 09/02/2025 01:38 (2), 09/12/2025 15:07 (41)
Complete: 🔍
Submitter: mmmsssttt
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #633486: yarn Yarn src/util/request-manager.js v1.22.22 Inefficient Regular Expression Complexity (by mmmsssttt)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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