Description
Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
Published: 2018-06-11
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

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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 DSA Debian DSA DSA-3716-1 firefox-esr security update
EUVD EUVD EUVD-2016-9885 Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
Ubuntu USN Ubuntu USN USN-3124-1 Firefox vulnerabilities
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

Subscriptions

Mozilla Firefox
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-06T02:42:10.023Z

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

Link: CVE-2016-9064

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:01.047

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

Link: CVE-2016-9064

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2016-9064 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses