CVE-2020-18774

CVE-2020-18774 is a medium vulnerability published on August 23, 2021. A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.

CVE-2020-18774 was first published in the National Vulnerability Database on August 23, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2020-18774 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

CVE-2020-18774 has a CVSS v3 base score of 6.5 (NVD).

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-18774, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.