By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2140-1 firefox-esr security update
Debian DLA Debian DLA DLA-2150-1 thunderbird security update
Debian DSA Debian DSA DSA-4639-1 firefox-esr security update
Debian DSA Debian DSA DSA-4642-1 thunderbird security update
EUVD EUVD EUVD-2020-27952 By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Ubuntu USN Ubuntu USN USN-4299-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4328-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-4335-1 Thunderbird vulnerabilities
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T09:11:05.025Z

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

Link: CVE-2020-6806

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-03-25T22:15:12.373

Modified: 2024-11-21T05:36:12.997

Link: CVE-2020-6806

cve-icon Redhat

Severity : Important

Publid Date: 2020-03-10T00:00:00Z

Links: CVE-2020-6806 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses