Multiple serious vulnerabilities have been found in Mozilla products. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges, bypass security restrictions, execute arbitrary code or obtain sensitive information.

Below is a complete list of vulnerabilities

1. An unknown vulnerability can be exploited remotely via a specially designed web site or m4v file and other unknown vectors;
2. Integer overflow can be exploited remotely via a specially designed MP4 file;
3. Buffer overflow can be exploited remotely via a specially designed XML data;
4. Race condition can be exploited remotely via Media Decoder Threat manipulations;
5. Improper URL restrictions in Firefox for Android can be exploited remotely via a specially designed application;
6. Use-after-free vulnerability can be exploited remotely via a specially designed document;
7. Improper heap handling can be exploited remotely via a specially designed JavaScript;
8. Improper context-menu handling can be exploited remotely via a logs manipulation;
9. Heap-based buffer overflow can be exploited remotely via a specially designed SVG graphics.

Mozilla Firefox versions earlier than 38.0
Mozilla Firefox ESR versions earlier than 31.7
Mozilla Thunderbird versions earlier than 31.7

Update to the latest version
Get Thunderbird
Get Firefox

Mozilla Foundation Security Advisory