#VU125365 Out-of-bounds read in FreeRDP - CVE-2026-33982
Published: April 8, 2026
Vulnerability identifier: #VU125365
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-33982
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FreeRDP
FreeRDP
Software vendor:
FreeRDP
FreeRDP
Description
The vulnerability allows a remote attacker to disclose sensitive information and cause a denial of service.
The vulnerability exists due to an out-of-bounds read in winpr_aligned_offset_recalloc() when processing a v3 persistent cache file with an entry larger than 64x64 pixels at 32bpp. A remote attacker can trick the victim into opening a crafted cache file to disclose sensitive information and cause a denial of service.
User interaction is required to process the crafted cache file.
Remediation
Install security update from vendor's website.