Advisory severityMedium6.5Red Hat Linux

Medium [CVE-2026-91953] Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption.

This medium-severity Red Hat Linux advisory covers CVE-2026-91953; related products: Red Hat Enterprise Linux 10.

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

CVE-2026-91953 Source published Sep 15, 2026Source updated Sep 15, 2026

VulniPulse record published Sep 16, 2026Record updated Oct 5, 2026

CVE-2026-91953

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Summary

Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption. Red Hat rates this moderate (CVSS 6.5).

Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:75570 with package freerdp-2:3.10.3-12.el10_2.14.

Affected product named by the advisory: Red Hat Enterprise Linux 10.

Affected versions

< 3.31.0

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

Fixed versions

freerdp-2:3.10.3-12.el10_2.14
RHSA-2026:75570

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

To prevent exploitation of this heap buffer overflow, FreeRDP clients should only be used to connect to trusted RDP servers. This operational control reduces the risk of encountering a malicious server redirection PDU.

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

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