CVE-2019-2126: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 5.5% chance of exploitation in the next 30 days.

In ParseContentEncodingEntry of mkvparser.cc, there is a possible double free due to a missing reset of a freed pointer. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-127702368.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 19.04 only
• Fedoraproject Fedora: version 30 only; version 31 only
• Google Android: version 7.0 only; version 7.1.1 only; version 7.1.2 only; version 8.0 only; version 8.1 only; version 9.0 only
• Opensuse Leap: version 15.1 only

Published 2019-08-20. Last modified 2026-06-17.