{"id":"CVE-2018-20097","details":"There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.","aliases":["PYSEC-2018-118"],"modified":"2026-07-08T05:52:27.979657140Z","published":"2018-12-12T10:29:00.727Z","related":["ALSA-2020:1577","SUSE-SU-2022:4208-1","SUSE-SU-2022:4252-1","SUSE-SU-2022:4276-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"vendor_product":"debian:debian_linux","source":"CPE_STRING"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"30"},{"last_affected":"30"}],"vendor_product":"fedoraproject:fedora","source":"CPE_STRING"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_dekstop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"vendor_product":"redhat:enterprise_linux_dekstop","source":"CPE_STRING"},{"vendor_product":"redhat:enterprise_linux_server","extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"source":"CPE_STRING"},{"vendor_product":"redhat:enterprise_linux_workstation","extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2101"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/590"},{"type":"EVIDENCE","url":"https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exiv2/exiv2","events":[{"introduced":"38e2fb7ca71903e801e0bd1a043633847d385c1a"},{"last_affected":"38e2fb7ca71903e801e0bd1a043633847d385c1a"}],"database_specific":{"extracted_events":[{"introduced":"0.27-rc3"},{"last_affected":"0.27-rc3"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*"}}],"versions":["0.27-rc3","0.27-RC3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20097.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}