CVE-2021-23981

CVE Details

Release Date:

2021-03-31

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, Thunderbird < 78.9, and Firefox < 87.

See more information about CVE-2021-23981 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	8.1	Base Metrics:	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	Required
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2021-0992	2021-03-25
Oracle Linux version 7 (thunderbird)	ELSA-2021-0996	2021-03-26
Oracle Linux version 8 (firefox)	ELSA-2021-0990	2021-03-26
Oracle Linux version 8 (thunderbird)	ELSA-2021-0993	2021-03-26

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team