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CVE-2025-8262

yarnpkg Yarn hosted-git-resolver.js explodeHostedGitFragment redos

Published: Jul 28, 2025Updated: Jul 31, 2025 Sources: CVE List NVDCWE-400
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.7%
Top 52.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-400CWE-1333

Affected Products

Yarnyarnpkg
Library
OSS Libraries / npm
yarnyarnpkg
Library
OSS Libraries / npm
yarnpkgoss-projectOSS Librariesaka yarn, website

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://vuldb.com/?id.317850
vuldb.com
https://vuldb.com/?ctiid.317850
vuldb.com
https://vuldb.com/?submit.617393
vuldb.com
and 2 more references View all →

Timeline

Published
Jul 28, 2025
Last Updated
Jul 31, 2025

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