async-tar PAX extension-header desync enables tar entry/content smuggling

Summary async-tar v0.6.0 mis-applies a buffered PAX size extension to an intermediary extension header a GNU longname L, a GNU longlink K, or a PAX x/g header instead of to the next file entry. POSIX requires a PAX extended-header record set to describe the next file entry, never an intervening...

GHSA-J5GW-2VRG-8FGX astral-tokio-tar Vulnerable to PAX Header Desynchronization

Summary Versions of astral-tokio-tar prior to 0.5.6 contain a boundary parsing vulnerability that allows attackers to smuggle additional archive entries by exploiting inconsistent PAX/ustar header handling. When processing archives with PAX-extended headers containing size overrides, the parser...