CVE-2020-6821 | BDVDB-2026-135113 Detail

MozillaThunderbird

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://www.mozilla.org/security/advisories/mfsa2020-13/
https://www.mozilla.org/security/advisories/mfsa2020-12/
https://www.mozilla.org/security/advisories/mfsa2020-14/
https://bugzilla.mozilla.org/show_bug.cgi?id=1625404
https://usn.ubuntu.com/4335-1/

Exploit#

No public exploit known

History#

Version 12020-04-24Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.