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CVE-2023-32214

HIGH
7.5
CVSS Score
Published: June 19, 2023 at 09:38 AM UTC
Updated: October 23, 2026 at 11:10 PM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR· also runs on 1 platform

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 113.0
Affected range stops below 113, so it looks safe — our inference, not a vendor statement
Affected range stops below 113.0, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
Firefox ESR· Mozilla
95%
v < 102.11
Affected range stops below 102.11, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
Thunderbird· Mozilla
95%
v < 102.11
Affected range stops below 102.11, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (6)

Permissions Required
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1828716
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202312-03
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202401-10
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-16/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-17/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-18/

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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