{"id":"PYSEC-2018-118","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":["CVE-2018-20097"],"modified":"2025-10-09T05:31:14.188524Z","published":"2018-12-12T10:29:00Z","references":[{"type":"WEB","url":"https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/590"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2101"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/"}],"affected":[{"package":{"name":"exiv2","ecosystem":"PyPI","purl":"pkg:pypi/exiv2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1","0.11.0","0.11.1","0.11.2","0.11.3","0.12.0","0.12.1","0.13.0","0.13.1","0.13.2","0.14.0","0.14.1","0.2","0.3","0.3.1","0.15.0","0.16.0","0.16.1","0.16.2","0.16.2.post1","0.16.3","0.16.3.post1","0.17.0","0.17.1","0.17.2","0.17.3","0.17.4","0.17.5"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2018-118.yaml"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}