CVE-2016-5259
HIGHFirefox < 48.0 - Remote Code Execution via Service Worker Nested Sync Event Loop
Title source: llmDescription
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.
References (11)
Core 11
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3640
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1036508
Third Party Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3044-1
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/92258
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1551.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-15
Exploit, Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1282992
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
Vendor Advisory x_refsource_confirm
http://www.mozilla.org/security/announce/2016/mfsa2016-73.html
Scores
CVSS v3
8.8
EPSS
0.0115
EPSS Percentile
78.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (8)
mozilla/firefox
45.1.0
mozilla/firefox
45.1.1
mozilla/firefox
45.2.0
mozilla/firefox
45.3.0
mozilla/firefox
< 47.0.1
oracle/linux
5.0
oracle/linux
6
oracle/linux
7
Published
Aug 05, 2016
Tracked Since
Feb 18, 2026