CVE-2021-23964

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Summary

CVECVE-2021-23964
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-26 16:15:00 UTC
Updated2022-05-03 16:04:00 UTC
DescriptionMozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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 < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Thunderbird All All All All
Application Mozilla Thunderbird All All All All

References

ReferenceSourceLinkTags
Bug List MISC bugzilla.mozilla.org Broken Link, Issue Tracking, Vendor Advisory
Security Vulnerabilities fixed in Firefox 85 — Mozilla MISC www.mozilla.org Release Notes, Vendor Advisory
Security Vulnerabilities fixed in Firefox ESR 78.7 — Mozilla MISC www.mozilla.org Release Notes, Vendor Advisory
Security Vulnerabilities fixed in Thunderbird 78.7 — Mozilla MISC www.mozilla.org Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 174740 SUSE Enterprise Linux Security update for MozillaFirefox (SUSE-SU-2021:0246-1)
  • 179721 Debian Security Update for firefox-esrthunderbird (CVE-2021-23964)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 296069 Oracle Solaris 11.4 Support Repository Update (SRU) 31.88.5 Missing (CPUJAN2021)
  • 375430 SeaMonkey Multiple Vulnerabilities
  • 500940 Alpine Linux Security Update for firefox-esr
  • 501554 Alpine Linux Security Update for firefox
  • 501623 Alpine Linux Security Update for mozjs78
  • 502378 Alpine Linux Security Update for thunderbird
  • 503845 Alpine Linux Security Update for firefox
  • 750377 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0223-1)
  • 750378 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0222-1)
  • 750379 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0208-1)
  • 750380 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0209-1)
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