CVE-2021-23975

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Summary

CVECVE-2021-23975
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-26 02:15:00 UTC
Updated2022-05-27 18:04:00 UTC
DescriptionThe developer page about:memory has a Measure function for exploring what object types the browser has allocated and their sizes. When this function was invoked we incorrectly called the sizeof function, instead of using the API method that checks for invalid pointers. This vulnerability affects Firefox < 86.

Risk And Classification

Problem Types: CWE-862

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All

References

ReferenceSourceLinkTags
Mozilla Firefox: Multiple vulnerabilities (GLSA 202104-10) — Gentoo security GENTOO security.gentoo.org
Security Vulnerabilities fixed in Firefox 86 — Mozilla MISC www.mozilla.org Release Notes, Vendor Advisory
Access Denied MISC bugzilla.mozilla.org Issue Tracking, Permissions Required, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 501555 Alpine Linux Security Update for firefox
  • 503846 Alpine Linux Security Update for firefox
  • 630669 Mozilla Firefox for Android and iOS Multiple Vulnerabilities (MFSA2021-07)
  • 710020 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202104-10)
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