An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2863-1 firefox-esr security update
Debian DLA Debian DLA DLA-2874-1 thunderbird security update
Debian DSA Debian DSA DSA-5026-1 firefox-esr security update
Debian DSA Debian DSA DSA-5034-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-5186-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5246-1 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

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T03:55:29.292Z

Reserved: 2021-11-08T00:00:00

Link: CVE-2021-43537

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-08T22:15:09.620

Modified: 2024-11-21T06:29:22.870

Link: CVE-2021-43537

cve-icon Redhat

Severity : Important

Publid Date: 2021-12-07T00:00:00Z

Links: CVE-2021-43537 - Bugzilla

cve-icon OpenCVE Enrichment

No data.