Filesystem Vulnerability in tar-fs Affects Multiple Versions
CVE-2025-48387

8.7HIGH

Key Information:

Vendor

Mafintosh

Status
Tar-fs
Vendor
CVE Published:
2 June 2025

What is CVE-2025-48387?

The tar-fs package, which provides filesystem bindings for tar-stream, contains a vulnerability that permits file extraction outside of the designated directory when processing certain tarball inputs. This flaw affects versions prior to 3.0.9, 2.1.3, and 1.16.5. Users are advised to upgrade to patched versions to mitigate the risk, and as a temporary measure, the ignore option can be used to prevent non-file or directory extractions.

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Deploy the Patch

Affected Version(s)

tar-fs < 1.16.5 < 1.16.5

tar-fs >= 2.0.0, < 2.1.3 < 2.0.0, 2.1.3

tar-fs >= 3.0.0, < 3.0.9 < 3.0.0, 3.0.9

References

https://github.com/mafintosh/tar-fs/security/advisories/G...
x_refsource_CONFIRM
https://github.com/google/security-research/security/advi...
x_refsource_MISC
https://github.com/mafintosh/tar-fs/commit/647447b572bc13...
x_refsource_MISC

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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