Unrated severityNVD Advisory· Published Feb 26, 2021· Updated Aug 3, 2024
CVE-2021-23978
CVE-2021-23978
Description
Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
Affected products
37- osv-coords34 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-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%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg: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%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Server%204.0pkg: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/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2
< 128.5.1-1.1+ 33 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 78.8.0-lp152.2.49.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 78.8.0-lp152.2.35.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-8.32.2
- (no CPE)range: < 78.8.0-78.120.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-3.133.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-112.51.1
- (no CPE)range: < 78.8.0-8.15.4
- Range: < 86
- Range: < 78.8
- Mozilla/Firefox ESRv5Range: < 78.8
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- security.gentoo.org/glsa/202104-09mitrevendor-advisoryx_refsource_GENTOO
- security.gentoo.org/glsa/202104-10mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2021/dsa-4866mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.mozilla.org/buglist.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/03/msg00000.htmlmitremailing-listx_refsource_MLIST
- www.mozilla.org/security/advisories/mfsa2021-07/mitrex_refsource_MISC
- www.mozilla.org/security/advisories/mfsa2021-08/mitrex_refsource_MISC
- www.mozilla.org/security/advisories/mfsa2021-09/mitrex_refsource_MISC
News mentions
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