High severity8.8NVD Advisory· Published Aug 5, 2016· Updated May 6, 2026
CVE-2016-5259
CVE-2016-5259
Description
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
11- bugzilla.mozilla.org/show_bug.cginvdExploitIssue Tracking
- www.mozilla.org/security/announce/2016/mfsa2016-73.htmlnvdVendor Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlnvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-1551.htmlnvd
- www.debian.org/security/2016/dsa-3640nvd
- www.securityfocus.com/bid/92258nvd
- www.securitytracker.com/id/1036508nvd
- www.ubuntu.com/usn/USN-3044-1nvd
- security.gentoo.org/glsa/201701-15nvd
News mentions
0No linked articles in our index yet.