This update for MozillaFirefox and mozilla-nss fixes the following issues: Security issues fixed: - Fixes in Firefox ESR 52.2 - CVE-2017-7758: Out-of-bounds read in Opus encoder - CVE-2017-7749: Use-after-free during docshell reloading - CVE-2017-7751: Use-after-free with content viewer listeners - CVE-2017-5472: Use-after-free using destroyed node when regenerating trees - CVE-2017-5470: Memory ...