This update for MozillaFirefox to version ESR 60.8 fixes the following issues: Security issues fixed: - CVE-2019-9811: Sandbox escape via installation of malicious language pack . - CVE-2019-11711: Script injection within domain through inner window reuse . - CVE-2019-11712: Cross-origin POST requests can be made with NPAPI plugins by following 308 redirects . - CVE-2019-11713: Use-after-free with HTTP/2 cached stream . - CVE-2019-11729: Empty or malformed p256-ECDH public keys may trigger a segmentation fault . - CVE-2019-11715: HTML parsing error can contribute to content XSS . - CVE-2019-11717: Caret character improperly escaped in origins . - CVE-2019-11719: Out-of-bounds read when importing curve25519 private key . - CVE-2019-11730: Same-origin policy treats all files in a directory as having the same-origin . - CVE-2019-11709: Multiple Memory safety bugs fixed . - CVE-2019-11708: Fix sandbox escape using Prompt:Open . - CVE-2019-11707: Fixed a type confusion vulnerability in Arrary.pop Non-security issues fixed: - Fix broken language plugins