High severity8.8NVD Advisory· Published Mar 13, 2016· Updated Jun 17, 2026

CVE-2016-1974

Description

The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefox16 versions
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 15 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <=44.0.2
- cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.6.1:*:*:*:*:*:*:*
- (no CPE)range: <38.7
- (no CPE)range: <45.0
Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <=38.6.0
OpenSUSE/Leap
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
OpenSUSE/openSUSE2 versions
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Oracle Corporation/Linux3 versions
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:*:*:*:*:*:*:*
SUSE S.A./Linux Enterprise Desktop
cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*
osv-coords49 versions
pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012
< 128.5.1-1.1+ 48 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: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-36.3
- (no CPE)range: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-37.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 38.7.0esr-63.3
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-19.1
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-24.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 4.12-12.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-20.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-28.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 3.20.2-40.1
- (no CPE)range: < 45.2-6.1

Patches

Vulnerability mechanics

References

lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.htmlnvdThird Party Advisory
www.mozilla.org/security/announce/2016/mfsa2016-34.htmlnvdVendor Advisory
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlnvdThird Party Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue Tracking
lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.htmlnvd
www.debian.org/security/2016/dsa-3510nvd
www.debian.org/security/2016/dsa-3520nvd
www.securitytracker.com/id/1035215nvd
www.ubuntu.com/usn/USN-2917-1nvd
www.ubuntu.com/usn/USN-2917-2nvd
www.ubuntu.com/usn/USN-2917-3nvd
www.ubuntu.com/usn/USN-2934-1nvd
security.gentoo.org/glsa/201605-06nvd

News mentions

No linked articles in our index yet.

cvss	0.572
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000