CVE-2020-7064
Use-of-uninitialized-value in exif
At a glance Severity MEDIUM 6.5 EPSS EPSS 4.29 % · percentile 91 (2026-10-27) State PUBLISHED Published 2020-04-01 Updated 2024-09-16 Assigner php NVD status Modified Description In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Scores Version Score Vector Scored by CVSS 3.1 MEDIUM 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L php CVSS 3.1 MEDIUM 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L NVD · security@php.net (Secondary) CVSS 3.1 MEDIUM 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.2.0 < 7.2.29cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.3.0 < 7.3.16cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.4.0 < 7.4.4cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* < 5.19.0Affected products Product Versions PHP Group · PHP affected 7.3.x < 7.3.16 ; affected 7.4.x < 7.4.4 ; affected 7.2.x < 7.2.29
References
Sources
