CVE-2017-7752

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

• CWE-416

• http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:1440Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:1561Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1359547Issue Tracking, Vendor Advisory
• https://www.debian.org/security/2017/dsa-3881Third Party Advisory
• https://www.debian.org/security/2017/dsa-3918Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-17/Vendor Advisory
• http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:1440Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:1561Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1359547Issue Tracking, Vendor Advisory
• https://www.debian.org/security/2017/dsa-3881Third Party Advisory
• https://www.debian.org/security/2017/dsa-3918Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-17/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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