CVE-2018-7456

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.)

• CWE-476

• http://bugzilla.maptools.org/show_bug.cgi?id=2778Exploit, Issue Tracking, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:2051
• https://access.redhat.com/errata/RHSA-2019:2053
• https://github.com/xiaoqx/pocs/tree/master/libtiffExploit, Third Party Advisory
• https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731bPatch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/04/msg00010.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/04/msg00011.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00002.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3864-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4349Third Party Advisory
• http://bugzilla.maptools.org/show_bug.cgi?id=2778Exploit, Issue Tracking, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:2051
• https://access.redhat.com/errata/RHSA-2019:2053
• https://github.com/xiaoqx/pocs/tree/master/libtiffExploit, Third Party Advisory
• https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731bPatch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/04/msg00010.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/04/msg00011.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00002.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3864-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4349Third Party Advisory

Published

Feb 24, 2018

Last Modified

Jun 17, 2026

Status

Modified

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