CVE-2018-7456

Published: 24 February 2018

A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)

Priority

Negligible

CVSS 3 base score: 6.5

Status

Package Release Status
tiff
Launchpad, Ubuntu, Debian
Upstream
Released (4.0.9-5)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(4.0.9-5)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(4.0.9-5)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(4.0.9-5)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(4.0.9-5)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (4.0.6-1ubuntu0.5)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (4.0.3-7ubuntu0.10)
Patches:
Upstream: https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b