CVE-2026-33982 | FreeRDP up to 3.24.1 winpr_aligned_offset_recalloc out-of-bounds

VDB-354278 · CVE-2026-33982 · GCVE-0-2026-33982 FREERDP UP TO 3.24.1 WINPR_ALIGNED_OFFSET_RECALLOC OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.8 $0-$5k 1.73+ Summaryinfo 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. Detailsinfo 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. Productinfo Type Remote Access Software Name FreeRDP Version 3.24.0 3.24.1 License open-source Website Product: https://github.com/FreeRDP/FreeRDP/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.9 VulDB 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): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Out-of-bounds CWE: 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 Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: FreeRDP 3.24.2 Timelineinfo 03/24/2026 CVE reserved 03/30/2026 +6 days VulDB entry created 03/31/2026 +0 days Advisory disclosed 03/31/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-33982 (🔒) GCVE (CVE): GCVE-0-2026-33982 GCVE (VulDB): GCVE-100-354278 Entryinfo Created: 03/31/2026 00:21 Changes: 03/31/2026 00:21 (64) Complete: 🔍 Cache ID: 99:4E8:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸