RUSTSEC-2026-0068 tar-rs incorrectly ignores PAX size headers if header size is nonzero

Versions 0.4.44 and below of tar-rs have conditional logic that skips the PAX size header in cases where the base header size is nonzero. As part of CVE-2025-62518astral-cve, the astral-tokio-tar project was changed to correctly honor PAX size headers in the case where it was different from the...