Red Hat: CVE-2020-6821: CVE-2020-6821 Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method (Multiple Advisories)
5
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
04/08/2020
04/10/2020
04/09/2020
12/15/2023
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)
- redhat-upgrade-firefox
- redhat-upgrade-firefox-debuginfo
- redhat-upgrade-firefox-debugsource
- redhat-upgrade-thunderbird
- redhat-upgrade-thunderbird-debuginfo
- redhat-upgrade-thunderbird-debugsource
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