CVE-2026-24491
freerdp: FreeRDP has a heap-use-after-free in video_timer
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 10, 2026
Updated · June 28, 2026
Description
A use after free flaw has been discovered in FreeRDP. The video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. A malicious server can trigger a client‑side heap use after free causing a crash (DoS).
Statement
Availability impact is limited to the FreeRDP instance on Red Hat Products. General system availability is not at risk.
CVSS score applicability
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
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.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-825 · Expired Pointer Dereference