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6.5

libtiff 4.0.8 can crash when processing crafted TIFF files

CVE-2017-13727 · published 9 years ago
Summary

The libtiff library version 4.0.8 may stop working if it receives a specially crafted TIFF image that triggers an internal check failure. This can cause the service handling the image to become unavailable, effectively a denial‑of‑service condition. Upgrade libtiff to a newer release or apply the vendor’s patch to prevent the crash.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
libtiff libtiff 4.0.8
cpe:2.3:a:libtiff:libtiff:4.0.8:*:*:*:*:*:*:*
Original advisory text
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 serv...
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.5 Medium
Exploitation
2% chance of attack within 30 days
Type
CWE-617Reachable Assertion
Timeline
Published29 Aug 2017
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2017-13727 · NVD
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