CVE-2025-8262

medium

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.

References

Advisories
More

https://vuldb.com/?submit.617393

https://vuldb.com/?id.317850

https://vuldb.com/?ctiid.317850

https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076

https://github.com/yarnpkg/yarn/pull/9199

Details

Source: Mitre, NVD

Published: 2025-07-28

Updated: 2025-07-31

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

CVSS v4

Base 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

Severity: Medium

EPSS

EPSS: 0.00039