This update for MozillaFirefox to version ESR 52.9 fixes the following issues: - CVE-2018-5188: Various memory safety bugs - CVE-2018-12368: No warning when opening executable SettingContent-ms files - CVE-2018-12366: Invalid data handling during QCMS transformations - CVE-2018-12365: Compromised IPC child process can list local filenames - CVE-2018-12364: CSRF attacks through 307 redirects and NPAPI plugins - CVE-2018-12363: Use-after-free when appending DOM nodes - CVE-2018-12362: Integer overflow in SSSE3 scaler - CVE-2018-12360: Use-after-free when using focus - CVE-2018-5156: Media recorder segmentation fault when track type is changed during capture - CVE-2018-12359: Buffer overflow using computed size of canvas element