CVE-2020-7064: Canonical Ubuntu Linux

Medium severity, CVSS 5.4. EPSS: 4.3% chance of exploitation in the next 30 days.

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.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 19.10 only; version 20.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Opensuse Leap: version 15.1 only
• PHP PHP: from 7.2.0, before 7.2.29 (fixed in 7.2.29); from 7.3.0, before 7.3.16 (fixed in 7.3.16); from 7.4.0, before 7.4.4 (fixed in 7.4.4)
• Tenable Tenable.sc: before 5.19.0 (fixed in 5.19.0)

Published 2020-04-01. Last modified 2026-06-17.