Critical severity9.8NVD Advisory· Published Sep 22, 2016· Updated Jun 17, 2026
CVE-2016-5280
CVE-2016-5280
Description
Use-after-free vulnerability in the mozilla::nsTextNodeDirectionalityMap::RemoveElementFromMap function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via bidirectional text.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
20- Range: <49.0
- Range: <45.4
- osv-coords18 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg: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%205
< 128.5.1-1.1+ 17 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-52.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-81.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-53.1
- (no CPE)range: < 45.4.0esr-53.1
Patches
Vulnerability mechanics
References
10- www.mozilla.org/security/announce/2016/mfsa2016-85.htmlnvdRelease NotesVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingThird Party AdvisoryVDB Entry
- rhn.redhat.com/errata/RHSA-2016-1912.htmlnvd
- www.debian.org/security/2016/dsa-3674nvd
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlnvd
- www.securityfocus.com/bid/93049nvd
- www.securitytracker.com/id/1036852nvd
- security.gentoo.org/glsa/201701-15nvd
- www.mozilla.org/security/advisories/mfsa2016-86/nvd
- www.mozilla.org/security/advisories/mfsa2016-88/nvd
News mentions
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