NetSight
high8.7

CVE-2025-48387

tar-fs can extract outside the specified dir with a specific tarball

Impact

### Impact v3.0.8, v2.1.2, v1.16.4 and below ### Patches Has been patched in 3.0.9, 2.1.3, and 1.16.5 ### Workarounds You can use the ignore option to ignore non files/directories. ```js ignore (_, header) { // pass files & directories, ignore e.g. symlinks return header.type !== 'file' && header.type !== 'directory' } ``` ### Credit Thank you Caleb Brown from Google Open Source Security Team for reporting this in detail.

Affected packages

EcosystemPackageAffectedFixed in
npmtar-fs< 1.16.51.16.5

Affected products

ProductAffected versions
Tar-Fs Provides Filesystem Bindings For Tar-Stream.
before 3.0.9

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References