CVE-2021-23981

Published: Mar 31, 2021Modified: Nov 21, 2024

8.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Exploitability: 2.8 / Impact: 5.2

Source: NVD

Description

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Affected (3)

Products: Mozilla: Firefox, Firefox Esr, Thunderbird

3 products

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 87.0
Mozilla Firefox Esr	Before 78.9
Mozilla Thunderbird	Before 78.9

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (8)

https://bugzilla.mozilla.org/show_bug.cgi?id=1692832

Source: security@mozilla.org

Issue Tracking

https://www.mozilla.org/security/advisories/mfsa2021-10/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2021-11/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2021-12/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1692832

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://www.mozilla.org/security/advisories/mfsa2021-10/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2021-11/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2021-12/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.