CVE-2019-11039: Debian Linux

Critical severity, CVSS 9.1. EPSS: 3.1% chance of exploitation in the next 30 days.

Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Opensuse Leap: version 15.0 only; version 15.1 only
• PHP PHP: from 7.1.0, before 7.1.30 (fixed in 7.1.30); from 7.2.0, before 7.2.19 (fixed in 7.2.19); from 7.3.0, before 7.3.6 (fixed in 7.3.6)
• Red Hat Software Collections: version 1.0 only

Published 2019-06-19. Last modified 2026-06-17.