Piriform · Ccleaner · CVE-2015-3999
**Name of the Vulnerable Software and Affected Versions**
Piriform CCleaner versions 3.26.0.1988 through 5.02.5101
**Description**
The issue allows local users to obtain sensitive information by searching unallocated disk space because filenames are written to disk when overwriting files.
**Recommendations**
For versions 3.26.0.1988 through 5.02.5101, consider updating to a version where this issue is resolved, as the current version writes sensitive information to disk, potentially exposing it to unauthorized access. At the moment, there is no information about a newer version that contains a fix for this vulnerability.