Description
A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2811 ↗
- http://www.securityfocus.com/bid/105342 ↗
- https://usn.ubuntu.com/3906-1/ ↗
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html ↗
- https://www.debian.org/security/2020/dsa-4670 ↗