CVE-2023-25738

MEDIUM

6.5

CVSS Score

Published: June 2, 2023 at 12:00 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

MEDIUM6.5

Exploit prediction

EPSS 0.6%

SSVC

PoC

Description

Members of the <code>DEVMODEW</code> struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Affected

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

Firefox · Mozilla

95%

v < 110.0

Affected range stops below 110, so it looks safe — our inference, not a vendor statement

Affected range stops below 110.0, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

Firefox ESR · Mozilla

95%

v < 102.8

Affected range stops below 102.8, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

Thunderbird · Mozilla

95%

v < 102.8

Affected range stops below 102.8, 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.

Windows · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Issue TrackingPermissions Required

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1811852

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2023-05/

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2023-06/

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2023-07/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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