Out-of-bounds Read in Microsoft Windows
CVE-2023-25738
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Microsoft Windows
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2023-06/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-05/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-07/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
Frequently asked questions
- What is CVE-2023-25738?
- CVE-2023-25738 is a medium-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2023-06-02.
- How severe is CVE-2023-25738?
- Medium severity. CVSS v3 base score is 6.5 out of 10.