RHSA-2026:20605

Details:

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

• freerdp: FreeRDP: Denial of service via heap use-after-free during auto-reconnect (CVE-2026-25997)

• freerdp: FreeRDP: Denial of service due to use-after-free vulnerability (CVE-2026-25952)

• freerdp: FreeRDP: Denial of Service via double free vulnerability during disconnect (CVE-2026-26986)

• freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId (CVE-2026-29775)

• freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks (CVE-2026-31885)

• freerdp: FreeRDP has a division-by-zero in ADPCM decoders when nBlockAlign is 0 (CVE-2026-31884)

• freerdp: FreeRDP: Denial of Service via crafted audio data in RDP (CVE-2026-31883)

• FreeRDP: FreeRDP: Information disclosure via heap memory out of bounds read (CVE-2026-33985)

• FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read (CVE-2026-33982)

• FreeRDP: FreeRDP: Memory corruption vulnerability allows denial of service or arbitrary code execution (CVE-2026-33987)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.