Integer Overflow or Wraparound Affecting neutrinolabs/xrdp package, versions [,0.10.6.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published22 Jul 2026
- disclosed20 Jul 2026
- creditUnknown
Introduced: 20 Jul 2026
CVE-2026-41521 (opens in a new tab)How to fix?
Upgrade neutrinolabs/xrdp to version 0.10.6.1 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the lib_framebuffer_update process when handling screen update messages within the vnc-any connection mode. An attacker can disclose sensitive information from heap memory or cause a process crash by sending crafted image dimensions that trigger an integer overflow during memory buffer size calculation, leading to an undersized allocation and subsequent out-of-bounds read.