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Mozilla Foundation Security Advisory 2014-57

Buffer overflow during Web Audio buffering for playback

Announced
July 22, 2014
Reporter
Atte Kettunen
Impact
High
Products
Firefox, Thunderbird
Fixed in
  • Firefox 31
  • Thunderbird 31

Description

Using the Address Sanitizer tool, security researcher Atte Kettunen from OUSPG discovered a buffer overflow during interaction with the Web Audio buffer for playback because of an error in the the amount of allocated memory for buffers. This leads to a potentially exploitable crash with some audio content.

In general this flaw cannot be exploited through email in the Thunderbird product because scripting is disabled, but is potentially a risk in browser or browser-like contexts.

References