During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-24950 During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Ubuntu USN Ubuntu USN USN-5107-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5132-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-5248-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00182}

epss

{'score': 0.00204}


cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T01:44:22.834Z

Reserved: 2021-08-10T00:00:00.000Z

Link: CVE-2021-38498

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-11-03T01:15:07.470

Modified: 2024-11-21T06:17:15.010

Link: CVE-2021-38498

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-10-05T00:00:00Z

Links: CVE-2021-38498 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses