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.
CVSS Details
- CVSS 3.1 Base Score: 6.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
Covered by Rapid7
| 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 thunderbirdUpgrade libxulUpgrade firefox-esrUpgrade linux-seamonkeyUpgrade firefoxUpgrade linux-thunderbird | Dec 10, 2025 | Sep 7, 2016 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin. | 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 mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3 | 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 MozillaFirefox-develUpgrade MozillaFirefoxUpgrade mozilla-nsprUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nss-toolsUpgrade mozilla-nspr-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translationsUpgrade firefox-fontconfigUpgrade MozillaThunderbird-buildsymbolsUpgrade libfreebl3-32bitUpgrade mozilla-nssUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nss-develUpgrade libfreebl3Upgrade MozillaThunderbird-develUpgrade mozilla-nspr-32bitUpgrade mozilla-nss-32bitUpgrade MozillaFirefox-translations-other | Aug 22, 2016 | Aug 4, 2016 |
| Ubuntu | — | Upgrade firefox | Aug 6, 2016 | Aug 4, 2016 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub