CVE-2025-32780 (CVSS 7.3)

Description

BleachBit cleans files to free disk space and to maintain privacy. BleachBit for Windows up to version 4.6.2 is vulnerable to a DLL Hijacking vulnerability. By placing a malicious DLL with the name uuid.dll in the folder C:\Users\<username>\AppData\Local\Microsoft\WindowsApps\, an attacker can execute arbitrary code every time BleachBit is run. This issue has been patched in version 4.9.0.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-427 CWE-427

References

Other References

https://github.com/bleachbit/bleachbit/commit/dafeba57dcb14c7ec4a97224ff1408f6b0c2a7f8 https://github.com/bleachbit/bleachbit/security/advisories/GHSA-ghph-v4x4-vr3c

Frequently Asked Questions

What is CVE-2025-32780? +

BleachBit cleans files to free disk space and to maintain privacy. BleachBit for Windows up to version 4.6.2 is vulnerable to a DLL Hijacking vulnerability. By placing a malicious DLL with the name uuid.dll in the folder C:\Users\<username>\AppData\Local\Microsoft\WindowsApps\, an attacker can execute arbitrary code every time BleachBit is run. This issue has been patched in version 4.9.0. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-32780? +

CVE-2025-32780 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-32780? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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