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Mozilla Foundation Security Advisory 2010-49

Miscellaneous memory safety hazards (rv:1.9.2.9/ 1.9.1.12)

Announced
September 7, 2010
Reporter
Mozilla developers and community
Impact
Critical
Products
Firefox, SeaMonkey, Thunderbird
Fixed in
  • Firefox 3.5.12
  • Firefox 3.6.9
  • SeaMonkey 2.0.7
  • Thunderbird 3.0.7
  • Thunderbird 3.1.3

Description

Mozilla developers 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.

References

Peter Van der Beken, Jason Oster, Jesse Ruderman, Igor Bukanov, Jeff Walden, Gary Kwong and Olli Pettay reported memory safety problems that affected Firefox 3.6 and Firefox 3.5.

Also, special thanks to Michal Zalewski whose contributions helped identify two of the security bugs fixed in this release.