Description
The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.
Published: 2021-01-07
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-19496 The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.
Ubuntu USN Ubuntu USN USN-4671-1 Firefox vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T16:03:23.182Z

Reserved: 2020-10-12T00:00:00.000Z

Link: CVE-2020-26972

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-01-07T14:15:11.813

Modified: 2024-11-21T05:20:36.333

Link: CVE-2020-26972

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses