CVE-2017-13727: Libtiff

Medium severity, CVSS 6.5. EPSS: 2.3% chance of exploitation in the next 30 days.

There is a reachable assertion abort in the function TIFFWriteDirectoryTagSubifd() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.

Affected products

• Libtiff Libtiff: version 4.0.8 only

Published 2017-08-29. Last modified 2026-06-17.