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NULL Pointer Dereference Affecting libtiff6 package, versions <4.7.1-160000.2.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.99% (87th percentile)

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  • Snyk IDSNYK-SLES1600-LIBTIFF6-17781683
  • published2 Jul 2026
  • disclosed21 Jun 2026
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Introduced: 21 Jun 2026

CVE-2018-7456  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 libtiff6 to version 4.7.1-160000.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtiff6 package and not the libtiff6 package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

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.)