CVE-2021-43540

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Summary

CVECVE-2021-43540
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-12-08 22:15:00 UTC
Updated2022-07-12 17:42:00 UTC
DescriptionWebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All

References

ReferenceSourceLinkTags
Mozilla Firefox: Multiple vulnerabilities (GLSA 202202-03) — Gentoo security GENTOO security.gentoo.org
Security Vulnerabilities fixed in Firefox 95 — Mozilla MISC www.mozilla.org
Access Denied MISC bugzilla.mozilla.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 198601 Ubuntu Security Notification for Firefox Vulnerabilities (USN-5186-1)
  • 376143 Mozilla Firefox Multiple Vulnerabilities (MFSA2021-52)
  • 502687 Alpine Linux Security Update for firefox
  • 710574 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202202-03)
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