The _zip_read_eocd64 function in zip_open.c in libzip before 1.3.0 mishandles EOCD records, which allows attackers to cause a denial of service (memory allocation failure in _zip_cdir_grow in zip_dirent.c) via a crafted ZIP archive. Upstream patch: https://github.com/nih-at/libzip/commit/9b46957ec98d85a572e9ef98301247f39338a3b5 References: https://blogs.gentoo.org/ago/2017/09/01/libzip-memory-allocation-failure-in-_zip_cdir_grow-zip_dirent-c/
Created libzip tracking bugs for this issue: Affects: fedora-25 [bug 1489003] Created mingw-libzip tracking bugs for this issue: Affects: fedora-all [bug 1489002]