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Mozilla Foundation Security Advisory 2014-74

Miscellaneous memory safety hazards (rv:33.0 / rv:31.2)

Announced
October 14, 2014
Reporter
Mozilla Developers
Impact
Critical
Products
Firefox, Firefox ESR, Firefox OS, SeaMonkey, Thunderbird
Fixed in
  • Firefox 33
  • Firefox ESR 31.2
  • Firefox OS 2.2
  • SeaMonkey 2.30
  • Thunderbird 31.2

Description

Mozilla developers and community identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

In general these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled, but are potentially a risk in browser or browser-like contexts.

References

Bobby Holley, Christian Holler, David Bolter, Byron Campen, and Jon Coppeard reported memory safety problems and crashes that affect Firefox ESR 31.1 and Firefox 32.

Carsten Book, Christian Holler, Martijn Wargers, Shih-Chiang Chien, Terrence Cole, Eric Rahm , and Jeff Walden reported memory safety problems and crashes that affect Firefox 32.