CVE-2013-0798: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Mozilla Firefox before 20.0 on Android uses world-writable and world-readable permissions for the app_tmp installation directory in the local filesystem, which allows attackers to modify add-ons before installation via an application that leverages the time window during which app_tmp is used.

Affected products

• Mozilla Firefox: up to and including 19.0.2; version 19.0 only; version 19.0.1 only

Published 2013-04-03. Last modified 2026-06-16.