{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"exiv2","cve_ids":["CVE-2018-20096"],"ecosystem":"PyPI","epss":0.02762,"exploited":false,"fixed_versions":[],"id":"tcs_01M5KG7RHJRHH6QNQECM4CDYJ7","modified_at":"2025-10-09T05:31:12.838678Z","published_at":"2018-12-12T10:29:00Z","references":["https://osv.dev/vulnerability/PYSEC-2018-117","https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206","https://github.com/Exiv2/exiv2/issues/590","https://access.redhat.com/errata/RHSA-2019:2101","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-2018-117","url":"https://osv.dev/vulnerability/PYSEC-2018-117"}],"summary":"There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack."}