CVE-2016-5259

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

• CWE-416

• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
• http://rhn.redhat.com/errata/RHSA-2016-1551.html
• http://www.debian.org/security/2016/dsa-3640
• http://www.mozilla.org/security/announce/2016/mfsa2016-73.htmlVendor Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
• http://www.securityfocus.com/bid/92258
• http://www.securitytracker.com/id/1036508
• http://www.ubuntu.com/usn/USN-3044-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=1282992Exploit, Issue Tracking
• https://security.gentoo.org/glsa/201701-15
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
• http://rhn.redhat.com/errata/RHSA-2016-1551.html
• http://www.debian.org/security/2016/dsa-3640
• http://www.mozilla.org/security/announce/2016/mfsa2016-73.htmlVendor Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
• http://www.securityfocus.com/bid/92258
• http://www.securitytracker.com/id/1036508
• http://www.ubuntu.com/usn/USN-3044-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=1282992Exploit, Issue Tracking
• https://security.gentoo.org/glsa/201701-15

Published

Aug 5, 2016

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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