High severity8.8NVD Advisory· Published Mar 25, 2020· Updated Jun 17, 2026
CVE-2020-6805
CVE-2020-6805
Description
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. 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
38unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.6.0
- (no CPE)range: <68.6
unspecified+ 4 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- 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
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/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg: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%20SP4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 68.6.0-78.64.1+ 26 more
- (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-lp151.2.28.1
- (no CPE)range: < 92.0-1.2
- (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
- (no CPE)range: < 68.6.0-3.75.1
- (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-lp151.2.33.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 128.5.1-1.1
Patches
Vulnerability mechanics
References
6- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredThird Party 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.