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Gentoo Linux: CVE-2020-6821: Mozilla Firefox: Multiple vulnerabilities

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Gentoo Linux: CVE-2020-6821: Mozilla Firefox: Multiple vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
04/23/2020
Created
04/25/2020
Added
04/24/2020
Modified
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)

  • gentoo-linux-upgrade-www-client-firefox
  • gentoo-linux-upgrade-www-client-firefox-bin

References

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