{"cve":"CVE-2018-20097","nvd":{"published":"2018-12-12T10:29:00.727","modified":"2026-06-17T01:52:16.583","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-119"],"references":["https://access.redhat.com/errata/RHSA-2019:2101","https://github.com/Exiv2/exiv2/issues/590","https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206","https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html","https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html"],"products":["debian:debian_linux","exiv2:exiv2","fedoraproject:fedora","redhat:enterprise_linux_dekstop","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20097","score":0.02287,"percentile":0.83187,"date":"2026-10-31"},"kev":null,"osv":[{"id":"PYSEC-2018-118","url":"https://osv.dev/vulnerability/PYSEC-2018-118","summary":"","modified":"2025-10-09T05:31:14.188524Z","packages":[{"ecosystem":"PyPI","name":"exiv2","purl":"pkg:pypi/exiv2","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}