qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal via …/ in a .qp file.
github.com/EvgeniyPatlan/qpress/commit/ddb312090ebd5794e81bc6fb1dfb4e79eda48761
github.com/percona/percona-xtrabackup/pull/1366
github.com/PierreLvx/qpress/compare/20170415...20220819
github.com/PierreLvx/qpress/pull/6
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BQWF7635AJSDKEIGLB73XAH643POGTFY/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4RXO3VYIFRTNIFHWIAZWND6ZXQ5OYOB/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUZ73XT2FXLHC7I4ODLOVB4O4QN7Q7JB/
pkgs.org/download/qpress