High severity8.8NVD Advisory· Published Aug 5, 2016· Updated Jun 17, 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <=47.0.1
- cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*
- (no CPE)range: <48.0
cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
- osv-coords24 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/firefox-fontconfig&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012
< 128.5.1-1.1+ 23 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
- (no CPE)range: < 45.5.1-1.1
- (no CPE)range: < 2.11.0-4.2
- (no CPE)range: < 45.0-20.38
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-48.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 4.12-25.2
- (no CPE)range: < 3.21.1-26.2
- (no CPE)range: < 45.3.0-9.1
Patches
Vulnerability mechanics
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
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