High severity8.8NVD Advisory· Published Jan 7, 2021· Updated Jun 17, 2026
CVE-2020-35113
CVE-2020-35113
Description
Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. 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 Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38unspecified+ 4 more
- (no CPE)range: unspecified
- (no CPE)range: <84
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <84.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <78.6.0
unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: <78.6
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <78.6.0
- osv-coords30 versionspkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg: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%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2
< 78.6.0-112.39.1+ 29 more
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-8.20.2
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 78.6.0-78.108.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 78.6.0-lp152.2.23.1
- (no CPE)range: < 78.6.0-lp152.2.34.1
- (no CPE)range: < 78.6.0-lp151.2.63.1
- (no CPE)range: < 78.6.0-lp151.2.82.1
- (no CPE)range: < 78.6.0-3.113.1
- (no CPE)range: < 78.6.0-3.122.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-8.3.1
Patches
Vulnerability mechanics
References
4- www.mozilla.org/security/advisories/mfsa2020-54/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-55/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-56/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdPermissions Required
News mentions
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