CVE-2023-32214

Summary

CVECVE-2023-32214
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-19 10:15:09 UTC
Updated2026-10-23 23:10:00 UTC
DescriptionProtocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.009180000 probability, percentile 0.598770000 (date 2026-10-23)

Problem Types: NVD-CWE-noinfo | Potential DoS via exposed protocol handlers

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Thunderbird All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mozilla Firefox affected unspecified 113 custom Not specified
CNA Mozilla Firefox ESR affected unspecified 102.11 custom Not specified
CNA Mozilla Thunderbird affected unspecified 102.11 custom Not specified

References

ReferenceSourceLinkTags
Security Vulnerabilities fixed in Thunderbird 102.11 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
security.gentoo.org/glsa/202312-03 af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Security Vulnerabilities fixed in Firefox 113 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
security.gentoo.org/glsa/202401-10 af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Security Vulnerabilities fixed in Firefox ESR 102.11 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Edward Prior (en)

Legacy QID Mappings

  • 296100 Oracle Solaris 11.4 Support Repository Update (SRU) 58.144.3 Missing (CPUAPR2023)
  • 378475 Mozilla Firefox Multiple Vulnerabilities (MFSA2023-16)
  • 378476 Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2023-17)
  • 378481 Mozilla Thunderbird Multiple Vulnerabilities (MFSA2023-18)
  • 503447 Alpine Linux Security Update for firefox-esr
  • 506055 Alpine Linux Security Update for firefox-esr
  • 710803 Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 202312-03)
  • 710830 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202401-10)
  • 753988 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2023:2176-1)
  • 753989 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2023:2175-1)
  • 753991 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2023:2173-1)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report