CVE-2026-32624: CWE-122: Heap-based Buffer Overflow in neutrinolabs xrdp
xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in its logon processing. In environments where domain_user_separator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain name to overflow the internal buffer. This can corrupt adjacent memory regions, potentially leading to a Denial of Service (DoS) or unexpected behavior. The domain_name_separator directive is commented out by default, systems are not affected by this vulnerability unless it is intentionally configured. This issue has been fixed in version 0.10.6.
AI Analysis
Technical Summary
CVE-2026-32624 is a heap-based buffer overflow vulnerability in neutrinolabs xrdp (open source RDP server) affecting versions before 0.10.6. The flaw exists in the logon processing code when the domain_user_separator setting is enabled in xrdp.ini. An unauthenticated remote attacker can send an overly long username and domain name to overflow an internal buffer, corrupting adjacent memory. This can cause denial of service or unexpected behavior. The vulnerability requires explicit configuration of domain_name_separator, which is disabled by default. The issue is resolved in xrdp version 0.10.6.
Potential Impact
Exploitation of this vulnerability can lead to denial of service or unexpected behavior due to memory corruption caused by the buffer overflow. It requires no authentication but depends on specific configuration settings being enabled. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade xrdp to version 0.10.6 or later, where this vulnerability is fixed. If upgrading is not immediately possible, ensure that the domain_user_separator and domain_name_separator directives remain disabled or commented out to avoid exposure. Patch status is not explicitly stated beyond the fix in version 0.10.6; check the vendor advisory for the latest remediation guidance.
CVE-2026-32624: CWE-122: Heap-based Buffer Overflow in neutrinolabs xrdp
Description
xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in its logon processing. In environments where domain_user_separator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain name to overflow the internal buffer. This can corrupt adjacent memory regions, potentially leading to a Denial of Service (DoS) or unexpected behavior. The domain_name_separator directive is commented out by default, systems are not affected by this vulnerability unless it is intentionally configured. This issue has been fixed in version 0.10.6.
CVSS v4.0
Score 6.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-32624 is a heap-based buffer overflow vulnerability in neutrinolabs xrdp (open source RDP server) affecting versions before 0.10.6. The flaw exists in the logon processing code when the domain_user_separator setting is enabled in xrdp.ini. An unauthenticated remote attacker can send an overly long username and domain name to overflow an internal buffer, corrupting adjacent memory. This can cause denial of service or unexpected behavior. The vulnerability requires explicit configuration of domain_name_separator, which is disabled by default. The issue is resolved in xrdp version 0.10.6.
Potential Impact
Exploitation of this vulnerability can lead to denial of service or unexpected behavior due to memory corruption caused by the buffer overflow. It requires no authentication but depends on specific configuration settings being enabled. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade xrdp to version 0.10.6 or later, where this vulnerability is fixed. If upgrading is not immediately possible, ensure that the domain_user_separator and domain_name_separator directives remain disabled or commented out to avoid exposure. Patch status is not explicitly stated beyond the fix in version 0.10.6; check the vendor advisory for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-12T15:29:36.558Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e29327bdfbbecc5989501f
Added to database: 4/17/2026, 8:08:07 PM
Last enriched: 4/25/2026, 2:49:56 AM
Last updated: 6/1/2026, 7:00:21 AM
Views: 48
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