CVE-2018-12386

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

• CWE-704

• http://www.securityfocus.com/bid/105460Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041770Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:2881Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:2884Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1493900Exploit, Issue Tracking, Patch, Vendor Advisory
• https://security.gentoo.org/glsa/201810-01Third Party Advisory
• https://usn.ubuntu.com/3778-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4310Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-24/Vendor Advisory
• http://www.securityfocus.com/bid/105460Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041770Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:2881Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:2884Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1493900Exploit, Issue Tracking, Patch, Vendor Advisory
• https://security.gentoo.org/glsa/201810-01Third Party Advisory
• https://usn.ubuntu.com/3778-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4310Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-24/Vendor Advisory

Published

Oct 18, 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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