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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00083.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Yarnpkg
  • Yarn

Configuration 1 [-]

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

No data.

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Vendors Products
Yarnpkg
  • Yarn
Advisories
Source ID Title
EUVD EUVD EUVD-2025-22855 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/yarnpkg/yarn/pull/9199 cve-icon cve-icon
https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076 cve-icon cve-icon
https://vuldb.com/?ctiid.317850 cve-icon cve-icon
https://vuldb.com/?id.317850 cve-icon cve-icon
https://vuldb.com/?submit.617393 cve-icon cve-icon
History

Thu, 31 Jul 2025 19:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*

Mon, 28 Jul 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 28 Jul 2025 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Yarnpkg
Yarnpkg yarn
Vendors & Products Yarnpkg
Yarnpkg yarn

Mon, 28 Jul 2025 07:15:00 +0000

Type Values Removed Values Added
Description 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.
Title yarnpkg Yarn hosted-git-resolver.js explodeHostedGitFragment redos
Weaknesses CWE-1333
CWE-400
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-07-28T17:16:45.501Z

Reserved: 2025-07-26T16:24:06.079Z

Link: CVE-2025-8262

cve-icon Vulnrichment

Updated: 2025-07-28T17:16:41.983Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-28T07:15:25.447

Modified: 2025-07-31T19:16:47.320

Link: CVE-2025-8262

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-28T12:45:40Z