FreeRDP up to 3.24.1 winpr_aligned_offset_recalloc out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 3.20 |
Summary
A vulnerability categorized as critical has been discovered in FreeRDP up to 3.24.1. Affected by this issue is the function winpr_aligned_offset_recalloc. Such manipulation leads to out-of-bounds.
This vulnerability is listed as CVE-2026-33982. The attack must be carried out locally. There is no available exploit.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in FreeRDP up to 3.24.1. Affected by this issue is the function winpr_aligned_offset_recalloc. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-33982 since 03/24/2026. The exploitation is known to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
Upgrading to version 3.24.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17225). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
Website
- Product: https://github.com/FreeRDP/FreeRDP/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.1
CNA Vector (GitHub_M): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: FreeRDP 3.24.2
Timeline
03/24/2026 CVE reserved03/30/2026 VulDB entry created
03/31/2026 Advisory disclosed
03/31/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-33982 (🔒)
GCVE (CVE): GCVE-0-2026-33982
GCVE (VulDB): GCVE-100-354278
EUVD: 🔒
Entry
Created: 03/31/2026 00:21Updated: 03/31/2026 03:38
Changes: 03/31/2026 00:21 (64), 03/31/2026 03:38 (1)
Complete: 🔍
Cache ID: 216:15C:103
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