CVE-2017-5409

The Mozilla Windows updater can be called by a non-privileged user to delete an arbitrary local file by passing a special path to the callback parameter through the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 45.8 and Firefox < 52.

• CWE-269

• http://www.securityfocus.com/bid/96696Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037966Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1321814Exploit, Issue Tracking
• https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-06/Vendor Advisory
• http://www.securityfocus.com/bid/96696Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037966Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1321814Exploit, Issue Tracking
• https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-06/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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