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.
Metrics
CVSS 3.0 6.5/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
- https://usn.ubuntu.com/3906-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4670
- http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
- https://usn.ubuntu.com/3906-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4670
Timeline
- Published
- Sep 13, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified