Synopsis:          Important: thunderbird security update
Advisory ID:       SLSA-2020:5618-1
Issue Date:        2020-12-17
CVE Numbers:       CVE-2020-16042
                   CVE-2020-26971
                   CVE-2020-26973
                   CVE-2020-26974
                   CVE-2020-26978
                   CVE-2020-35111
                   CVE-2020-35113
--

This update upgrades Thunderbird to version 78.6.0.

Security Fix(es):

* chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)

* Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)

* Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)

* Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-
after-free (CVE-2020-26974)

* Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6
(CVE-2020-35113)

* Mozilla: Internal network hosts could have been probed by a malicious
webpage (CVE-2020-26978)

* Mozilla: The proxy.onRequest API did not catch view-source URLs
(CVE-2020-35111)
--

SL7
  x86_64
    thunderbird-78.6.0-1.el7_9.x86_64.rpm
    thunderbird-debuginfo-78.6.0-1.el7_9.x86_64.rpm

- Scientific Linux Development Team

SciLinux: SLSA-2020-5618-1 Important: thunderbird on SL7.x x86_64

This update upgrades Thunderbird to version 78.6.0

Summary

Important: thunderbird security update



Security Fixes

* chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)
* Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)
* Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)
* Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use- after-free (CVE-2020-26974)
* Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)
* Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)
* Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)
SL7 x86_64 thunderbird-78.6.0-1.el7_9.x86_64.rpm thunderbird-debuginfo-78.6.0-1.el7_9.x86_64.rpm
- Scientific Linux Development Team

Severity
Advisory ID: SLSA-2020:5618-1
Issued Date: : 2020-12-17
CVE Numbers: CVE-2020-16042
CVE-2020-26971
CVE-2020-26973

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