CVE-2020-6821
Vulnerability from cvelistv5
Published
2020-04-24 15:55
Modified
2024-08-04 09:11
Severity ?
Summary
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.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1625404Issue Tracking, Permissions Required
security@mozilla.orghttps://usn.ubuntu.com/4335-1/Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-12/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-13/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-14/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1625404Issue Tracking, Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4335-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-12/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-13/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-14/Vendor Advisory
Impacted products
Vendor Product Version
Mozilla Thunderbird Version: unspecified   < 68.7.0
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   Mozilla Firefox ESR Version: unspecified   < 68.7
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   Mozilla Firefox Version: unspecified   < 75
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