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Mozilla Foundation Security Advisory 2015-30

Miscellaneous memory safety hazards (rv:37.0 / rv:31.6)

Announced
March 31, 2015
Reporter
Mozilla Developers
Impact
Critical
Products
Firefox, Firefox ESR, Firefox OS, SeaMonkey, Thunderbird
Fixed in
  • Firefox 37
  • Firefox ESR 31.6
  • Firefox OS 2.2
  • SeaMonkey 2.35
  • Thunderbird 31.6

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

Christian Holler, Byron Campen, and Steve Fink reported memory safety problems and crashes that affect Firefox ESR 31.5.3 and Firefox 36.0.4.

Christian Holler, Andrew McCreight, Gary Kwong, Karl Tomlinson, Randell Jesup, Shu-yu Guo, Steve Fink, and Tooru Fujisawa reported memory safety problems and crashes that affect Firefox 36.0.4.