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 libxulUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade firefoxUpgrade thunderbirdUpgrade firefox-esrUpgrade linux-firefox | Apr 20, 2017 | Apr 19, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Feb 20, 2018 | Feb 20, 2018 |
| Mfsa2017 10 | — | Upgrade to Mozilla Firefox version 53.0 | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 11 | — | Upgrade to Mozilla Firefox ESR version 45.9 | Apr 20, 2017 | Apr 19, 2017 |
| Mfsa2017 12 | — | Upgrade to Mozilla Firefox ESR version 52.1 | 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/plugin/firefox-java to version 45.9.0-0.175.3.20.0.3.0 on Solaris 11.3Upgrade 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 11.3 | May 29, 2017 | May 29, 2017 |
| Oracle_linux | — | Upgrade firefox | Apr 20, 2017 | Apr 19, 2017 |
| Redhat_linux | — | Upgrade firefox-debuginfoUpgrade firefoxNo solution exists | Apr 20, 2017 | Apr 20, 2017 |
| Suse | — | Upgrade MozillaFirefox-debugsourceUpgrade MozillaFirefox-translationsUpgrade mozilla-nss-x86Upgrade mozillafirefox-branding-upstreamUpgrade mozillafirefoxUpgrade libfreebl3-x86Upgrade mozilla-nspr-x86Upgrade mozillafirefox-buildsymbolsUpgrade mozilla-nss-certs-32bitUpgrade mozillafirefox-branding-sleUpgrade libsoftokn3-hmacUpgrade libfreebl3-hmacUpgrade mozilla-nss-32bitUpgrade libfreebl3-hmac-32bitUpgrade java-1_8_0-openjdkUpgrade mozilla-nss-certsUpgrade libfreebl3-32bitUpgrade MozillaFirefox-debuginfoUpgrade libsoftokn3-x86Upgrade libsoftokn3-hmac-32bitUpgrade libsoftokn3-32bitUpgrade java-1_8_0-openjdk-develUpgrade mozilla-nss-develUpgrade mozilla-nss-toolsUpgrade mozilla-nssUpgrade mozillafirefox-translations-otherUpgrade mozilla-nsprUpgrade mozilla-nss-sysinit-32bitUpgrade java-1_8_0-openjdk-headlessUpgrade java-1_8_0-openjdk-demoUpgrade mozilla-nss-sysinitUpgrade mozilla-nspr-develUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-commonUpgrade libsoftokn3Upgrade libfreebl3Upgrade mozilla-nspr-32bit | May 4, 2017 | Apr 20, 2017 |
| Ubuntu | — | Upgrade firefox | Apr 21, 2017 | Apr 20, 2017 |
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