The get_tile function in Mozilla Firefox before 33.0, Firefox ESR 31.x
before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers
to cause a denial of service (out-of-bounds write and application
crash) or possibly execute arbitrary code via WebM frames with invalid
tile sizes that are improperly handled in buffering operations during
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disclosed, or updated in CVE.
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