CVE-2026-31897

An out of bounds read flaw has been discovered in FreeRDP. This Out-of-bounds read exists in the freerdp_bitmap_decompress_planar function when SrcSize is 0. This flaw may allow an attcker to read of 1 byte from heap memory in some situation. The more common and expected impact is a crash when the read hits an unmapped page.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.