CVE-2017-5448 (retired)

Priority
Description
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.
Assigned-to
chrisccoulson
Package
Upstream:released (53.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE (precise was ignored)
Ubuntu 14.04 LTS (Trusty Tahr):released (53.0+build6-0ubuntu0.14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):released (53.0+build6-0ubuntu0.16.04.1)
Package
Upstream:not-affected
Ubuntu 12.04 ESM (Precise Pangolin):DNE (precise was needs-triage)
Ubuntu 14.04 LTS (Trusty Tahr):not-affected
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
More Information

Updated: 2019-03-26 12:26:03 UTC (commit ccdecfcf0fead22bd291e5f4ea745a46872dcb15)