CVE-2019-9639

CVE-2019-9639 is a high vulnerability published on March 9, 2019. An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exifprocessIFDinMAKERNOTE because of mishandling the data_len variable.

CVE-2019-9639 was first published in the National Vulnerability Database on March 9, 2019, 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-2019-9639 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

CVE-2019-9639 has a CVSS v3 base score of 7.5 (NVD).

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9639, 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.