{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"exiv2","cve_ids":["CVE-2018-20097"],"ecosystem":"PyPI","epss":0.02287,"exploited":false,"fixed_versions":[],"id":"tcs_01M5KG7RPXPTX6WZVVJSV8DWCY","modified_at":"2025-10-09T05:31:14.188524Z","published_at":"2018-12-12T10:29:00Z","references":["https://osv.dev/vulnerability/PYSEC-2018-118","https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206","https://github.com/Exiv2/exiv2/issues/590","https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html","https://access.redhat.com/errata/RHSA-2019:2101","https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"PYSEC-2018-118","url":"https://osv.dev/vulnerability/PYSEC-2018-118"}],"summary":"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."}