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Mozilla Foundation Security Advisory 2014-27

Memory corruption in Cairo during PDF font rendering

Announced
March 18, 2014
Reporter
John Thomson
Impact
Moderate
Products
Firefox, Firefox ESR, SeaMonkey, Thunderbird
Fixed in
  • Firefox 28
  • Firefox ESR 24.4
  • SeaMonkey 2.25
  • Thunderbird 24.4

Description

Security researcher John Thomson discovered a memory corruption in the Cairo graphics library during font rendering of a PDF file for display. This memory corruption leads to a potentially exploitable crash and to a denial of service (DOS). This issues is not able to be triggered in a default configuration and would require a malicious extension to be installed.

References