Context discovered two memory corruption issues related to Firefox code that processes WebGL, that could result in remote code execution via a malicious web page. Heap overflows make use of the WebGL shader compiler and the ANGLE library. Versions 4.0.1 and 5 are affected.
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Ubuntu Security Notice 1192-1 - Aral Yaman discovered a vulnerability in the WebGL engine. An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. Vivekanand Bolajwar discovered a vulnerability in the JavaScript engine. An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. Bert Hubert and Theo Snelleman discovered a vulnerability in the Ogg reader. An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.
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