This update for MozillaFirefox ESR 52.5 fixes the following issues:
Security issues fixed:
- CVE-2017-7826: Memory safety bugs fixed (bsc#1068101).
- CVE-2017-7828: Use-after-free of PressShell while restyling layout
(bsc#1068101).
- CVE-2017-7830: Cross-origin URL information leak through Resource Timing
API (bsc#1068101).
Mozilla Foundation Security Advisory (MFSA 2017-25):