Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-25738

Medium 6.5

In plain English

A medium-severity out-of-bounds read in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox-esr102.8.0-r0ALPINE-CVE-2023-25738
Alpine:v3.21firefox-esr102.8.0-r0ALPINE-CVE-2023-25738
Alpine:v3.22firefox-esr102.8.0-r0ALPINE-CVE-2023-25738
Alpine:v3.23firefox-esr102.8.0-r0ALPINE-CVE-2023-25738

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 110
Mozilla Thunderbird unspecified – before 102.8
Mozilla Firefox ESR unspecified – before 102.8

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References