Critical severity9.8NVD Advisory· Published Mar 25, 2020· Updated Jun 17, 2026
CVE-2020-6814
CVE-2020-6814
Description
Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <74.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <68.6.0
- (no CPE)range: <74, <ESR68.6
- (no CPE)range: unspecified
- (no CPE)range: unspecified
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.6.0
- (no CPE)range: <68.6
- (no CPE)range: unspecified
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- osv-coords27 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1
< 68.6.0-lp151.2.33.1+ 26 more
- (no CPE)range: < 68.6.0-lp151.2.33.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 68.6.0-lp151.2.28.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-3.75.1
- (no CPE)range: < 68.6.0-78.64.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-109.110.1
- (no CPE)range: < 68.6.0-3.74.1
Patches
Vulnerability mechanics
References
6- bugzilla.mozilla.org/buglist.cginvdIssue TrackingVendor Advisory
- usn.ubuntu.com/4328-1/nvdThird Party Advisory
- usn.ubuntu.com/4335-1/nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2020-08/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-09/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-10/nvdVendor Advisory
News mentions
0No linked articles in our index yet.