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Mozilla Foundation Security Advisory 2012-62

WebGL use-after-free and memory corruption

Announced
August 28, 2012
Reporter
miaubiz
Impact
Critical
Products
Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
Fixed in
  • Firefox 15
  • Firefox ESR 10.0.7
  • SeaMonkey 2.12
  • Thunderbird 15
  • Thunderbird ESR 10.0.7

Description

Security researcher miaubiz used the Address Sanitizer tool to discover two WebGL issues. The first issue is a use-after-free when WebGL shaders are called after being destroyed. The second issue exposes a problem with Mesa drivers on Linux, leading to a potentially exploitable crash.

References