CVE-2026-32624
Description
A flaw was found in xrdp, an open-source Remote Desktop Protocol (RDP) server. An unauthenticated remote attacker can trigger a heap-based buffer overflow by sending a crafted, excessively long username and domain name. This vulnerability exists when the domain_user_separator is explicitly configured in xrdp.ini. Successful exploitation can lead to a Denial of Service (DoS) or unexpected system behavior.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Integrity,Confidentiality,Availability
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Buffer overflows often can be used to execute arbitrary code, which is usually outside the scope of the product's implicit security policy. This can often be used to subvert any other security service.
Availability
Technical Impact: Modify Memory; DoS: Crash, Exit, or Restart; DoS: Resource Consumption (CPU)
Buffer overflows generally lead to crashes. Other attacks leading to lack of availability are possible, including putting the product into an infinite loop.
Frequently Asked Questions
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