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.
CVSS Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Nov 8, 2019 | Jun 11, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade firefox | Apr 21, 2017 | Apr 20, 2017 |
| Debian | — | Upgrade firefox-esr | Apr 20, 2017 | Apr 20, 2017 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-esrUpgrade seamonkeyUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade libxul | Apr 20, 2017 | Apr 19, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | Feb 20, 2018 | Feb 20, 2018 |
| Mfsa2017 10 | — | Upgrade to Mozilla Firefox version 53.0Upgrade to the latest version of Mozilla Firefox | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 11 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 45.9 | Apr 20, 2017 | Apr 19, 2017 |
| Mfsa2017 12 | — | Upgrade to Mozilla Firefox ESR version 52.1Upgrade to the latest version of Mozilla Firefox | Apr 20, 2017 | Apr 19, 2017 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4Upgrade web/browser/firefox to version 45.9.0-0.175.3.20.0.3.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.9.0-0.175.3.20.0.3.0 on Solaris 11.3Upgrade web/browser/firefox/plugin/firefox-java to version 45.9.0-0.175.3.20.0.3.0 on Solaris 11.3 | May 29, 2017 | May 29, 2017 |
| Oracle_linux | — | Upgrade firefox | Apr 20, 2017 | Apr 19, 2017 |
| Redhat_linux | — | Upgrade firefoxNo solution existsUpgrade firefox-debuginfo | Apr 20, 2017 | Apr 20, 2017 |
| Suse | — | Upgrade libsoftokn3Upgrade libsoftokn3-32bitUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade libfreebl3Upgrade mozilla-nspr-develUpgrade mozilla-nssUpgrade mozilla-nss-develUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nss-toolsUpgrade java-1_8_0-openjdk-demoUpgrade java-1_8_0-openjdk-headlessUpgrade java-1_8_0-openjdk-develUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nsprUpgrade mozilla-nspr-32bitUpgrade mozilla-nss-sysinitUpgrade libsoftokn3-hmac-32bitUpgrade MozillaFirefox-debugsourceUpgrade mozillafirefox-branding-sleUpgrade mozilla-nss-certs-32bitUpgrade libsoftokn3-x86Upgrade MozillaFirefox-debuginfoUpgrade libfreebl3-x86Upgrade mozilla-nss-certsUpgrade mozillafirefox-buildsymbolsUpgrade libsoftokn3-hmacUpgrade libfreebl3-hmacUpgrade libfreebl3-hmac-32bitUpgrade MozillaFirefox-translationsUpgrade mozilla-nspr-x86Upgrade java-1_8_0-openjdkUpgrade MozillaFirefoxUpgrade mozilla-nss-32bitUpgrade mozillafirefox-branding-upstreamUpgrade mozilla-nss-x86Upgrade libfreebl3-32bit | May 4, 2017 | Apr 20, 2017 |
| Ubuntu | — | Upgrade firefox | Apr 21, 2017 | Apr 20, 2017 |
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