CVE-2021-29982

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Summary

CVECVE-2021-29982
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-17 20:15:00 UTC
Updated2022-03-16 14:58:00 UTC
DescriptionDue to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Risk And Classification

Problem Types: CWE-772

NVD Known Affected Configurations (CPE 2.3)

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

References

ReferenceSourceLinkTags
Security Vulnerabilities fixed in Firefox 91 — Mozilla MISC www.mozilla.org
1715318 - (CVE-2021-29982) Differential Testing: Different output during TypeError MISC bugzilla.mozilla.org
Security Vulnerabilities fixed in Thunderbird 91 — Mozilla MISC www.mozilla.org
Mozilla Firefox: Multiple vulnerabilities (GLSA 202202-03) — Gentoo security GENTOO security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 198457 Ubuntu Security Notification for Firefox vulnerabilities (USN-5037-1)
  • 198641 Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-5248-1)
  • 296066 Oracle Solaris 11.4 Support Repository Update (SRU) 40.107.3 Missing (CPUOCT2021)
  • 375753 Mozilla Firefox Multiple Vulnerability (MFSA2021-33)
  • 375767 Mozilla Thunderbird Multiple Vulnerabilities (MFSA2021-36)
  • 502080 Alpine Linux Security Update for firefox
  • 502381 Alpine Linux Security Update for thunderbird
  • 503632 Alpine Linux Security Update for thunderbird
  • 503634 Alpine Linux Security Update for thunderbird
  • 503650 Alpine Linux Security Update for thunderbird
  • 503669 Alpine Linux Security Update for thunderbird
  • 503851 Alpine Linux Security Update for firefox
  • 506260 Alpine Linux Security Update for thunderbird
  • 710574 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202202-03)
  • 751210 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:3331-1)
  • 751226 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:3331-1)
  • 751237 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:3451-1)
  • 751246 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:1367-1)
  • 751369 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:3191-1)
  • 751542 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:4150-1)
  • 751566 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:1635-1)
  • 752111 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2022:1582-1)
  • 752113 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2022:1577-1)
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