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CVE-2017-5448 PUBLISHED

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

EPSS 1.38% · 80.1th percentile

Risk Scores

EPSS Score
1.38%
80.1th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox0, 41.0.2+build2-0ubuntu1, 42.0+build2-0ubuntu1
Ubuntu:14.04:LTSfirefox39.0+build5-0ubuntu0.14.04.1, 39.0.3+build2-0ubuntu0.14.04.1, 40.0+build4-0ubuntu0.14.04.1

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