CVE-2025-8262

A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/yarnpkg/yarn/pull/9199	Exploit
https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076	Patch
https://vuldb.com/?ctiid.317850	Permissions Required VDB Entry
https://vuldb.com/?id.317850	Third Party Advisory VDB Entry
https://vuldb.com/?submit.617393	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-07-28 07:15

Updated : 2025-07-31 19:16

NVD link : CVE-2025-8262

Mitre link : CVE-2025-8262

CVE.ORG link : CVE-2025-8262

JSON object : View

Products Affected

yarnpkg

yarn

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-1333

Inefficient Regular Expression Complexity

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It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en yarnpkg Yarn hasta la versi\u00f3n 1.22.22. Se ha clasificado como problem\u00e1tica. La funci\u00f3n \"exploitHostedGitFragment\" del archivo src/resolvers/exotics/hosted-git-resolver.js est\u00e1 afectada. La manipulaci\u00f3n genera una complejidad ineficiente en las expresiones regulares. El ataque podr\u00eda iniciarse en remoto. El parche se identifica como 97731871e674bf93bcbf29e9d3258da8685f3076. Se recomienda aplicar un parche para solucionar este problema."}], "lastModified": "2025-07-31T19:16:47.320", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0ACE16B-A776-4707-AB1A-BD46CA1E53CA", "versionEndIncluding": "1.22.22"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}