On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2170-1 firefox-esr security update
Debian DLA Debian DLA DLA-2172-1 thunderbird security update
Debian DSA Debian DSA DSA-4655-1 firefox-esr security update
Debian DSA Debian DSA DSA-4656-1 thunderbird security update
EUVD EUVD EUVD-2020-27966 On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
Ubuntu USN Ubuntu USN USN-4323-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4328-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-4335-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00812}

epss

{'score': 0.00817}


cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T09:11:05.085Z

Reserved: 2020-01-10T00:00:00.000Z

Link: CVE-2020-6822

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-04-24T16:15:13.573

Modified: 2024-11-21T05:36:14.513

Link: CVE-2020-6822

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-04-08T00:00:00Z

Links: CVE-2020-6822 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses