Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-800-1 firefox-esr security update
Debian DLA Debian DLA DLA-896-1 icedove/thunderbird security update
Debian DSA Debian DSA DSA-3771-1 firefox-esr security update
Debian DSA Debian DSA DSA-3832-1 icedove security update
EUVD EUVD EUVD-2017-14477 Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Ubuntu USN Ubuntu USN USN-3165-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-3175-1 Firefox 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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T14:55:35.805Z

Reserved: 2017-01-13T00:00:00

Link: CVE-2017-5373

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:02.577

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

Link: CVE-2017-5373

cve-icon Redhat

Severity : Critical

Publid Date: 2017-01-24T00:00:00Z

Links: CVE-2017-5373 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses