Log Message:
firefox52: update to 52.9.0esr. Security fix.

CVE-2018-12359: Buffer overflow using computed size of canvas element
CVE-2018-12360: Use-after-free when using focus()
CVE-2018-12362: Integer overflow in SSSE3 scaler
CVE-2018-5156: Media recorder segmentation fault when track type is changed \ 
during capture
CVE-2018-12363: Use-after-free when appending DOM nodes
CVE-2018-12364: CSRF attacks through 307 redirects and NPAPI plugins
CVE-2018-12365: Compromised IPC child process can list local filenames
CVE-2018-12366: Invalid data handling during QCMS transformations
CVE-2018-12368: No warning when opening executable SettingContent-ms files
CVE-2018-5188: Memory safety bugs fixed in Firefox 60, Firefox ESR 60.1, and \ 
Firefox ESR 52.9