A buffer overflow resulting in a potentially exploitable crash due to memory allocation issues when handling large amounts of incoming data. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-730-1 firefox-esr security update
Debian DLA Debian DLA DLA-752-1 icedove security update
Debian DSA Debian DSA DSA-3716-1 firefox-esr security update
Debian DSA Debian DSA DSA-3730-1 icedove security update
Ubuntu USN Ubuntu USN USN-3124-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3141-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-06T02:42:09.998Z

Reserved: 2016-10-27T00:00:00.000Z

Link: CVE-2016-9066

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:01.140

Modified: 2025-11-25T17:50:16.803

Link: CVE-2016-9066

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-11-16T00:00:00Z

Links: CVE-2016-9066 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses