{"id":"DEBIAN-CVE-2026-33055","details":"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 correctly honor PAX size headers in the case where it was different from the base header. This is almost the inverse of the astral-tokio-tar issue. Any discrepancy in how tar parsers honor file size can be used to create archives that appear differently when unpacked by different archivers. In this case, the tar-rs (Rust tar) crate is an outlier in checking for the header size - other tar parsers (including e.g. Go archive/tar) unconditionally use the PAX size override. This can affect anything that uses the tar crate to parse archives and expects to have a consistent view with other parsers. This issue has been fixed in version 0.4.45.","modified":"2026-09-14T17:03:08.460938382Z","published":"2026-03-20T07:16:13.543Z","upstream":["CVE-2026-33055"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-33055"}],"affected":[{"package":{"name":"rust-tar","ecosystem":"Debian:12","purl":"pkg:deb/debian/rust-tar?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.38-1","0.4.38-2","0.4.40-1","0.4.43-1","0.4.43-2","0.4.43-3","0.4.43-4","0.4.44-1","0.4.45-1","0.4.45-2"],"ecosystem_specific":{"urgency":"not yet 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