https://sources.debian.org/patches/fuseiso/20070708-3.2/03-prevent-integer-overflow.patch/

https://bugs.gentoo.org/713328

----

Description: Prevent integer overflow in ZISO code

Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

--- a/src/isofs.c

+++ b/src/isofs.c

@@ -1618,6 +1618,10 @@

 };

 static int isofs_real_read_zf(isofs_inode *inode, char *out_buf, size_t size, off_t offset) {

+    if( inode->zf_block_shift > 17 ) {

+        fprintf(stderr, "isofs_real_read_zf: can't handle ZF block size of 2^%d\n", inode->zf_block_shift);

+        return -EIO;

+    }

     int zf_block_size = 1 << inode->zf_block_shift;

     int zf_start = offset / zf_block_size;

     int zf_end = (offset + size) / zf_block_size;