{"id":"CVE-2018-7456","details":"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.)","modified":"2026-09-25T03:45:04.568206394Z","published":"2018-02-24T06:29:00.630Z","related":["SUSE-SU-2018:1826-1","SUSE-SU-2018:1835-1","SUSE-SU-2018:1889-1","SUSE-SU-2026:22234-1","SUSE-SU-2026:22306-1","openSUSE-SU-2024:11461-1","openSUSE-SU-2026:20995-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"18.10"},{"last_affected":"18.10"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"]},{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"},{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}]}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2051"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2053"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00010.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00011.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3864-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4349"},{"type":"REPORT","url":"http://bugzilla.maptools.org/show_bug.cgi?id=2778"},{"type":"FIX","url":"https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b"},{"type":"EVIDENCE","url":"https://github.com/xiaoqx/pocs/tree/master/libtiff"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vadz/libtiff","events":[{"introduced":"636f2684a0faaf9510ae4219f286a53f98f37483"},{"last_affected":"636f2684a0faaf9510ae4219f286a53f98f37483"}],"database_specific":{"cpe":"cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.9"},{"last_affected":"4.0.9"}],"source":"CPE_STRING"}}],"versions":["4.0.9","Release-v4-0-9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-7456.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/libtiff/libtiff","events":[{"introduced":"020bd2fd3b4235b2175dafa9633d2b191c50e7cd"},{"last_affected":"020bd2fd3b4235b2175dafa9633d2b191c50e7cd"}],"database_specific":{"extracted_events":[{"introduced":"4.0.9"},{"last_affected":"4.0.9"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*"}}],"versions":["4.0.9","v4.0.9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-7456.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}