Vulnerability DatabaseCVE-2026-121386
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-121386
Published:November 03, 2026
Updated:November 04, 2026
FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_convert_from_jpeg(), which lack libpng/libjpeg error handling. A malicious RDP server or MITM can offer a malformed PNG or truncated JPEG clipboard payload, causing the client to abort or exit.
Affected Packages
https://github.com/FreeRDP/FreeRDP.git (GITHUB):
Affected version(s) >=3.3.0 <3.32.2
Fix Suggestion:
Update to version 3.32.2
Related Resources (4)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-799q-hjgw-g55g
https://nvd.nist.gov/vuln/detail/CVE-2026-121386
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121386.json
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-winpr-png-jpeg-image-readers
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncaught Exception
CWE-248
EPSS
Base Score:
0.27