diff -Naur a/contrib/minizip/zip.c b/contrib/minizip/zip.c --- a/contrib/minizip/zip.c 2023-10-16 10:30:43.399786707 +0800 +++ b/contrib/minizip/zip.c 2023-10-16 10:29:53.511135074 +0800 @@ -1083,6 +1083,17 @@ return ZIP_PARAMERROR; #endif + // The filename and comment length must fit in 16 bits. + if ((filename!=NULL) && (strlen(filename)>0xffff)) + return ZIP_PARAMERROR; + if ((comment!=NULL) && (strlen(comment)>0xffff)) + return ZIP_PARAMERROR; + // The extra field length must fit in 16 bits. If the member also requires + // a Zip64 extra block, that will also need to fit within that 16-bit + // length, but that will be checked for later. + if ((size_extrafield_local>0xffff) || (size_extrafield_global>0xffff)) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1)