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Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-33983] Denial of Service via specially crafted Remote Desktop Protocol messages

This high-severity Red Hat Linux advisory covers CVE-2026-33983 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-33983 Source published

VulniPulse record published

CVE-2026-33983
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Denial of Service via specially crafted Remote Desktop Protocol messages. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-190. Affected package(s): freerdp.

Resolved in Red Hat advisory RHSA-2026:8945 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 9 more.

Affected versions
  • freerdp-2:3.10.3-12.el10_2.2
  • freerdp-2:2.2.0-12.el8_8.6
  • freerdp-2:2.11.7-7.el9_8.1
  • freerdp-2:2.4.1-6.el9_2.7
  • freerdp-2:2.0.0-46.rc4.el8_2.11
  • freerdp-2:2.11.2-1.el9_4.6
  • freerdp-2:2.11.7-1.el9_6.8
  • freerdp-2:3.10.3-5.el10_1.6
  • freerdp-2:2.2.0-13.el8_4
  • freerdp-2:2.4.1-3.el9_0.5
  • freerdp-2:2.11.7-7.el8_10
  • freerdp-2:2.2.0-7.el8_6.6

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Fixed versions
  • RHSA-2026:8945

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:8945 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Discussion(0)

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