Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-01-07T13:54:03

Updated: 2024-08-04T16:03:23.196Z

Reserved: 2020-10-12T00:00:00

Link: CVE-2020-26971

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-01-07T14:15:11.673

Modified: 2021-01-11T19:36:23.147

Link: CVE-2020-26971

cve-icon Redhat

Severity : Important

Publid Date: 2020-12-15T00:00:00Z

Links: CVE-2020-26971 - Bugzilla