{"schemaVersion":3,"id":"CVE-2026-33055","aliases":["UBUNTU-CVE-2026-33055","DEBIAN-CVE-2026-33055","CGA-36xh-pjhr-jwhc","CGA-3cg3-2wfx-hm2r","CGA-3ghh-2f2p-j479","CGA-3q74-m39v-9r98","CGA-4256-8rj8-737m","CGA-479w-r3jj-rhj4","CGA-4w99-8hw2-x9cv","CGA-5689-2c5q-4f29","CGA-5gr3-h6gw-gf9q","CGA-5ppx-mgxh-xjmc","CGA-6q33-39w7-hhvp","CGA-76f9-h9wr-r2gj","CGA-7q7j-w6j7-hm6c","CGA-82jg-7fch-2r9r","CGA-8rwp-69gj-8mwr","CGA-98r6-rq8m-q562","CGA-fxwq-3vmf-6v8h","CGA-g95w-w3r4-3wh5","CGA-h4x5-pr36-w632","CGA-h8c3-mmvp-9w83","CGA-hvw8-gxff-m59c","CGA-mf86-q2ch-fg6g","CGA-mvj6-3rrv-p98q","CGA-p85h-43j4-4p84","CGA-qjj8-35w9-6v4j","CGA-rx34-72rh-7f85","CGA-v36v-j55w-83r6","CGA-x3w8-gq8h-87w7","CGA-35qq-8hq4-p8w3","CGA-c3r4-2c7g-rjpg","CGA-c4hh-p8hg-8m2p","CGA-f6hh-992j-v8g5","CGA-h7fq-x6hp-qfv9","CGA-m33c-v7c5-4gfr","GHSA-gchp-q4r4-x4ff","RUSTSEC-2026-0068","CGA-v8pp-wj8m-9c3p","CGA-wgxm-w42f-c2c7"],"status":"published","duplicateOf":null,"title":null,"description":"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. 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