Integer Underflow Vulnerability in FreeRDP Remote Desktop Protocol Implementation
CVE-2026-29776

3.1LOW

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
13 March 2026

What is CVE-2026-29776?

FreeRDP, an open-source implementation of the Remote Desktop Protocol, contains an Integer Underflow vulnerability in the update_read_cache_bitmap_order function of its core library. This flaw can potentially allow an attacker to exploit the affected systems when utilized in certain scenarios, leading to unexpected behavior or access issues. The vulnerability has been addressed in version 3.24.0, where proper validations have been introduced. Users are strongly encouraged to update to the latest version to mitigate risks associated with this vulnerability.

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Affected Version(s)

FreeRDP < 3.24.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/commit/a9e0abf2eac8c2e...
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CVSS V3.1

Score:
3.1
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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