{"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":"2026-05-15T12:03:39.582943002Z","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":[{"last_affected":"8.0"},{"last_affected":"10.0"}],"source":"CPE_FIELD","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"30"}],"source":"CPE_FIELD","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_dekstop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"source":"CPE_FIELD","vendor_product":"redhat:enterprise_linux_dekstop"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"source":"CPE_FIELD","vendor_product":"redhat:enterprise_linux_server"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"source":"CPE_FIELD","vendor_product":"redhat:enterprise_linux_workstation"}]},"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"}],"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"}]}