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Medium —
tar has a PAX header desynchronization issue
### Summary When a tar stream contains multiple "header" entries prior to a file entry, tar-rs applies the PAX header (`x`) to the _next_ entry in the stream, regardless of type. For example, a stream of `x -> L -> file` (PAX, GNU longname, file) would result…
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Medium 5.1
tar-rs: unpack_in can chmod arbitrary directories by following symlinks
tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpack_dir function uses fs::metadata() to check whether a path that already exists is a directory. Because fs::metadata() fo…
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Medium 5.1
tar-rs incorrectly ignores PAX size headers if header size is nonzero
tar-rs is a tar archive reading/writing library for Rust. Versions 0.4.44 and below have conditional logic that skips the PAX size header in cases where the base header size is nonzero. As part of CVE-2025-62518, the astral-tokio-tar project was changed to co…