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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2020-04-24T15:55:25

Updated: 2020-04-29T02:07:01

Reserved: 2020-01-10T00:00:00


Link: CVE-2020-6821

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-04-24T16:15:13.510

Modified: 2021-07-21T11:39:23.747


Link: CVE-2020-6821

JSON object: View

cve-icon Redhat Information

No data.

CWE