CVE-2019-11036: Canonical Ubuntu Linux

Critical severity, CVSS 9.1. EPSS: 7% chance of exploitation in the next 30 days.

When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.29, 7.2.x below 7.2.18 and 7.3.x below 7.3.5 can be caused to read past allocated buffer in exif_process_IFD_TAG function. This may 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 18.10 only; version 19.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 28 only; version 29 only; version 30 only
• Opensuse Leap: version 15.0 only; version 15.1 only; version 42.3 only
• PHP PHP: from 7.1.0, before 7.1.29 (fixed in 7.1.29); from 7.2.0, before 7.2.18 (fixed in 7.2.18); from 7.3.0, before 7.3.5 (fixed in 7.3.5)
• Red Hat Software Collections: version 1.0 only

Published 2019-05-03. Last modified 2026-06-17.