Medium 6.5Published Jun 2, 2023

CVE-2023-25738Members 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…

Updated under an hour ago (Oct 27, 2026, 9:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Oct 23, 2026
First seen by InfoSec Signals: Oct 23, 2026

Affected products

Affected products

mozilla firefox mozilla:firefox	before 110.0	NVD
mozilla firefox_esr mozilla:firefox_esr	before 102.8	NVD
mozilla thunderbird mozilla:thunderbird	before 102.8	NVD

References

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1811852	issue-tracking, permissions-required
https://www.mozilla.org/security/advisories/mfsa2023-05/	vendor-advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/	vendor-advisory
https://www.mozilla.org/security/advisories/mfsa2023-07/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.