CVE-2021-29945

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Summary

CVECVE-2021-29945
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-24 14:15:00 UTC
Updated2021-06-30 19:01:00 UTC
DescriptionThe WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Risk And Classification

Problem Types: CWE-682

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
Security Vulnerabilities fixed in Thunderbird 78.10 — Mozilla MISC www.mozilla.org
Security Vulnerabilities fixed in Firefox ESR 78.10 — Mozilla MISC www.mozilla.org
Access Denied MISC bugzilla.mozilla.org
Security Vulnerabilities fixed in Firefox 88 — 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

  • 159161 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2021-1350)
  • 159163 Oracle Enterprise Linux Security Update for firefox (ELSA-2021-1363)
  • 159166 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2021-1353)
  • 159167 Oracle Enterprise Linux Security Update for firefox (ELSA-2021-1360)
  • 174939 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:1307-1)
  • 174946 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:1325-1)
  • 174961 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:1433-1)
  • 178559 Debian Security Update for firefox-esr (DSA 4895-1)
  • 178561 Debian Security Update for thunderbird (DSA 4897-1)
  • 178644 Debian Security Update for thunderbird (DLA 2632-1)
  • 178645 Debian Security Update for firefox-esr (DLA 2633-1)
  • 180143 Debian Security Update for thunderbirdfirefox-esr (CVE-2021-29945)
  • 198342 Ubuntu Security Notification for Firefox vulnerabilities (USN-4926-1)
  • 198415 Ubuntu Security Notification for Thunderbird vulnerabilities (USN-4995-1)
  • 198424 Ubuntu Security Notification for Thunderbird vulnerabilities (USN-4995-2)
  • 239256 Red Hat Update for firefox (RHSA-2021:1363)
  • 239257 Red Hat Update for firefox (RHSA-2021:1362)
  • 239258 Red Hat Update for firefox (RHSA-2021:1361)
  • 239259 Red Hat Update for firefox (RHSA-2021:1360)
  • 239261 Red Hat Update for thunderbird (RHSA-2021:1353)
  • 239262 Red Hat Update for thunderbird (RHSA-2021:1352)
  • 239263 Red Hat Update for thunderbird (RHSA-2021:1351)
  • 239264 Red Hat Update for thunderbird (RHSA-2021:1350)
  • 296068 Oracle Solaris 11.4 Support Repository Update (SRU) 34.94.4 Missing (CPUAPR2021)
  • 352368 Amazon Linux Security Advisory for thunderbird: ALAS2-2021-1644
  • 375478 Mozilla Firefox Multiple Vulnerabilities (MFSA2021-16)
  • 375479 Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2021-15)
  • 375485 Mozilla Thunderbird Multiple Vulnerabilities (MFSA2021-14)
  • 500933 Alpine Linux Security Update for firefox-esr
  • 501556 Alpine Linux Security Update for firefox
  • 501615 Alpine Linux Security Update for mozjs78
  • 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
  • 503847 Alpine Linux Security Update for firefox
  • 506260 Alpine Linux Security Update for thunderbird
  • 710019 Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 202104-09)
  • 710020 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202104-10)
  • 750235 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0644-1)
  • 750245 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0621-1)
  • 940160 AlmaLinux Security Update for firefox (ALSA-2021:1360)
  • 940377 AlmaLinux Security Update for thunderbird (ALSA-2021:1353)
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