high7.5
CVE-2020-6821
When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returne…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 75.0 |
| Mozilla | Firefox Esr | before 68.7.0 |
| Mozilla | Thunderbird | before 68.7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1625404
- https://usn.ubuntu.com/4335-1/
- https://www.mozilla.org/security/advisories/mfsa2020-12/
- https://www.mozilla.org/security/advisories/mfsa2020-13/
- https://www.mozilla.org/security/advisories/mfsa2020-14/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1625404
- https://usn.ubuntu.com/4335-1/
- https://www.mozilla.org/security/advisories/mfsa2020-12/
- https://www.mozilla.org/security/advisories/mfsa2020-13/
- https://www.mozilla.org/security/advisories/mfsa2020-14/