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Mozilla Foundation Security Advisory 2013-31

Out-of-bounds write in Cairo library

Announced
April 2, 2013
Reporter
Abhishek Arya
Impact
High
Products
Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
Fixed in
  • Firefox 20
  • Firefox ESR 17.0.5
  • SeaMonkey 2.17
  • Thunderbird 17.0.5
  • Thunderbird ESR 17.0.5

Description

Security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team used the Address Sanitizer tool to discover an out-of-bounds write in Cairo graphics library. When certain values are passed to it during rendering, Cairo attempts to use negative boundaries or sizes for boxes, leading to a potentially exploitable crash in some instances.

References