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Heap-based buffer overflow in the ClearKey Content Decryption Module (CDM) in the Encrypted Media Extensions (EME) API in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 might allow remote attackers to execute arbitrary code by providing a malformed video and leveraging a Gecko Media Plugin (GMP) sandbox bypass.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade firefox | Aug 6, 2016 | Aug 3, 2016 |
| Debian | — | Upgrade firefox-esr | Aug 6, 2016 | Aug 3, 2016 |
| Freebsd | — | Upgrade seamonkeyUpgrade linux-firefoxUpgrade firefoxUpgrade firefox-esrUpgrade libxulUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade linux-thunderbird | Dec 10, 2025 | Sep 7, 2016 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird. | Oct 30, 2017 | Aug 4, 2016 |
| Mfsa2016 77 | — | Upgrade to Mozilla Firefox version 48.0Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 45.3 | Aug 3, 2016 | Aug 2, 2016 |
| Oracle Solaris | — | Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3 | May 29, 2017 | Aug 4, 2016 |
| Oracle_linux | — | Upgrade firefox | Aug 6, 2016 | Aug 2, 2016 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfo | Aug 3, 2016 | Aug 3, 2016 |
| Suse | — | Upgrade mozilla-nssUpgrade libfreebl3-32bitUpgrade mozilla-nss-32bitUpgrade MozillaThunderbird-develUpgrade mozilla-nspr-32bitUpgrade mozilla-nss-develUpgrade MozillaFirefox-branding-SLEDUpgrade libfreebl3Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translationsUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade firefox-fontconfigUpgrade mozilla-nsprUpgrade mozilla-nspr-develUpgrade mozilla-nss-tools | Aug 22, 2016 | Aug 4, 2016 |
| Ubuntu | — | Upgrade firefox | Aug 6, 2016 | Aug 4, 2016 |
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