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Mozilla Foundation Security Advisory 2016-16

Miscellaneous memory safety hazards (rv:45.0 / rv:38.7)

Announced
March 8, 2016
Reporter
Mozilla Developers
Impact
Critical
Products
Firefox, Firefox ESR, Thunderbird
Fixed in
  • Firefox 45
  • Firefox ESR 38.7
  • Thunderbird 38.7
  • Thunderbird 45

Description

Mozilla developers 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

Bob Clary, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, and Randell Jesup reported memory safety problems and crashes that affect Firefox ESR 38.6 and Firefox 44.

Carsten Book, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Gian-Carlo Pascutto, Tyson Smith, Andrea Marchesini, and Jukka Jylänki reported memory safety problems and crashes that affect Firefox 44.