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CVE-2025-62518

🔴 HIGH

astral-tokio-tar is a tar archive reading/writing library for async Rust. Versions of astral-tokio-tar prior to 0.5.6 contain a boundary parsing vulnerability that allows attackers to smuggle addition...

Published
Oct 21, 2025
Last Modified
Oct 21, 2025
Views
1
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Description

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astral-tokio-tar is a tar archive reading/writing library for async Rust. Versions of astral-tokio-tar prior to 0.5.6 contain a boundary parsing vulnerability that allows attackers to smuggle additional archive entries by exploiting inconsistent PAX/ustar header handling. When processing archives with PAX-extended headers containing size overrides, the parser incorrectly advances stream position based on ustar header size (often zero) instead of the PAX-specified size, causing it to interpret file content as legitimate tar headers. This issue has been patched in version 0.5.6. There are no workarounds.

CVSS Scores

CVSS 3.1 8.1
8.1
HIGH
CVSS 2.0 8.1

References

edera.dev github.com github.com github.com github.com

Additional Information

Source
security-advisories@github.com
State
Awaiting analysis

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