Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

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