Description
Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.
Published: 2021-06-24
Score: 8.8 High
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-2021-10917 Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.
Ubuntu USN Ubuntu USN USN-4926-1 Firefox vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-03T19:14:10.062Z

Reserved: 2021-01-13T00:00:00.000Z

Link: CVE-2021-23997

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-24T14:15:09.417

Modified: 2024-11-21T05:52:10.723

Link: CVE-2021-23997

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses