CVE-2021-4129

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Summary

CVECVE-2021-4129
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-22 20:15:00 UTC
Updated2023-08-08 14:21:00 UTC
DescriptionMozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.

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 Esr All All All All
Application Mozilla Thunderbird All All All All

References

ReferenceSourceLinkTags
Bug List MISC bugzilla.mozilla.org
Security Vulnerabilities fixed in Thunderbird 91.4.0 — Mozilla MISC www.mozilla.org
Security Vulnerabilities fixed in Firefox 95 — Mozilla MISC www.mozilla.org
Security Vulnerabilities fixed in Firefox ESR 91.4.0 — Mozilla MISC www.mozilla.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181447 Debian Security Update for firefox-esr (CVE-2021-4129)
  • 198641 Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-5248-1)
  • 198643 Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-5246-1)
  • 354760 Amazon Linux Security Advisory for thunderbird : ALAS2-2023-1951
  • 356198 Amazon Linux Security Advisory for firefox : ALASFIREFOX-2023-013
  • 502382 Alpine Linux Security Update for thunderbird
  • 505449 Alpine Linux Security Update for thunderbird
  • 710574 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202202-03)
  • 710585 Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 202208-14)
  • 960845 Rocky Linux Security Update for firefox (RLSA-2021:5013)
  • 960881 Rocky Linux Security Update for thunderbird (RLSA-2021:5045)
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