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CVE-2020-6821
Published: Apr 24, 2020
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Thunderbird | affected unspecified - < 68.7.0 |
Mozilla | Firefox ESR | affected unspecified - < 68.7 |
Mozilla | Firefox | affected unspecified - < 75 |
References
https://www.mozilla.org/security/advisories/mfsa2020-13/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2020-12/
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https://www.mozilla.org/security/advisories/mfsa2020-14/
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https://bugzilla.mozilla.org/show_bug.cgi?id=1625404
x_refsource_MISC
USN-4335-1
vendor-advisory
x_refsource_UBUNTU
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