Out-of-bounds read in Samba - CVE-2025-9640

 

Out-of-bounds read in Samba - CVE-2025-9640

Published: October 15, 2025


Vulnerability identifier: #VU117239
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-9640
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Samba
Affected software:
Samba

Detailed vulnerability description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.


How to mitigate CVE-2025-9640

Install updates from vendor's website.

Sources