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RUSTSEC-2025-0111Published

`tokio-tar` parses PAX extended headers incorrectly, allows file smuggling

Exact source revision recorded 24 Oct 2026 13:19:54 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · RUSTSEC-2025-0111

Published

The archive reader incorrectly handles PAX extended headers, when the ustar header incorrectly specifies zero size (`size=000000000000`), while a PAX header specifies a non-zero size, `tokio-tar::Archive` is going to read the file content as tar entry header. This can be used by a tar file to present different content to `tokio-tar` compared to other tar reader implementations. This bug is also known as `CVE-2025-62518` and `GHSA-j5gw-2vrg-8fgx`, as those crates share a common ancestor codebase. The `tokio-tar` crate is archived and no longer maintained, we recommend you switch to an alternative crate such as: - [`astral-tokio-tar`](https://crates.io/crates/astral-tokio-tar)

Source published
21 Oct 2025 12:00:00 UTC
Source modified
4 Feb 2026 02:35:07 UTC
Observed here
24 Oct 2026 13:19:54 UTC
Source terms
OSV · upstream source license applies

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This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · OSV · upstream source license applies. Source text is retained; field grouping and change labels are provided by ChangeIntel.

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