MFSA2020-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 68.7.0 (CVE-2020-6821)
5
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
04/09/2020
04/14/2020
04/13/2020
05/04/2020
Description
When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
Solution(s)
- mozilla-thunderbird-upgrade-68_7
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