Security update for MozillaThunderbird (important)

This update for Mozilla Thunderbird to version 60.2.1 fixes multiple
issues.

Multiple security issues were fixed in the Mozilla platform as advised in
MFSA 2018-25. In general, these flaws cannot be exploited through email in
Thunderbird because scripting is disabled when reading mail, but are
potentially risks in browser or browser-like contexts:

• CVE-2018-12377: Use-after-free in refresh driver timers (bsc#1107343)
• CVE-2018-12378: Use-after-free in IndexedDB (bsc#1107343)
• CVE-2017-16541: Proxy bypass using automount and autofs (bsc#1066489)
• CVE-2018-12376: Memory safety bugs fixed in Firefox 62 and Firefox ESR
  60.2 (bsc#1107343)
• CVE-2018-12385: Crash in TransportSecurityInfo due to cached data
  (bsc#1109363)
• CVE-2018-12383: Setting a master password did not delete unencrypted
  previously stored passwords (bsc#1107343)
• CVE-2018-12359: Buffer overflow using computed size of canvas element
  (bsc#1098998)
• CVE-2018-12360: Use-after-free when using focus() (bsc#1098998)
• CVE-2018-12361: Integer overflow in SwizzleData (bsc#1098998)
• CVE-2018-12362: Integer overflow in SSSE3 scaler (bsc#1098998)
• CVE-2018-12363: Use-after-free when appending DOM nodes (bsc#1098998)
• CVE-2018-12364: CSRF attacks through 307 redirects and NPAPI plugins
  (bsc#1098998)
• CVE-2018-12365: Compromised IPC child process can list local filenames
  (bsc#1098998)
• CVE-2018-12371: Integer overflow in Skia library during edge builder
  allocation (bsc#1098998)
• CVE-2018-12366: Invalid data handling during QCMS transformations
  (bsc#1098998)
• CVE-2018-12367: Timing attack mitigation of PerformanceNavigationTiming
  (bsc#1098998)
• CVE-2018-5156: Media recorder segmentation fault when track type is
  changed during capture (bsc#1098998)
• CVE-2018-5187: Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1,
  and Thunderbird 60 (bsc#1098998)
• CVE-2018-5188: Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1,
  Firefox ESR 52.9, and Thunderbird 60 (bsc#1098998)

Other bugs fixes:

• Fix date display issues (bsc#1109379)
• Fix start-up crash due to folder name with special characters
  (bsc#1107772)