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CVE-2026-22853

FreeRDP has a heap-buffer-overflow in ndr_read_uint8Array PUBLISHED

Description (CNA)

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, RDPEAR’s NDR array reader does not perform bounds checking on the on‑wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow in ndr_read_uint8Array. This vulnerability is fixed in 3.20.1.

Affected (CNA)

Vendor / productVersions
FreeRDP / FreeRDPaffected < 3.20.1

CWE

CWE-787

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A heap based buffer overflow flaw has been discovered in FreeRDP. In affected versions RDPEAR’s NDR array reader does not perform bounds checking on the on‑wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow in ndr_read_uint8Array.