CVE-2023-32214

Protocol 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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-25)

Published

2023-06-19

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• mozilla:firefox
• mozilla:firefox_esr
• mozilla:thunderbird

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1828716
• https://security.gentoo.org/glsa/202312-03
• https://security.gentoo.org/glsa/202401-10
• https://www.mozilla.org/security/advisories/mfsa2023-16/
• https://www.mozilla.org/security/advisories/mfsa2023-17/

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