CVE-2026-111381 FreeRDP before 3.32.0 Heap Buffer Overflow via Persistent Cache v2 Parser
Local attackers can achieve code execution or cause denial of service in FreeRDP by exploiting a heap buffer overflow in the persistent cache parser.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-111381?
CVE-2026-111381 is a high-severity memory corruption vulnerability in Freerdp Freerdp, published on 16 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
FreeRDP before 3.32.0 contains a heap buffer overflow vulnerability in persistent_cache_read_entry_v2 that allows local attackers to corrupt heap memory via integer wraparound in bitmap size calculation. Attackers can craft a persistent cache v2 file with oversized width and height values that causes mismatched entry size accounting and fixed 16 KiB reads, leading to crashes or code execution when loaded.
Weakness: CWE-122
Which versions are affected by CVE-2026-111381?
It affects 1 product.
Products include Freerdp Freerdp.
How do I fix CVE-2026-111381?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-111381 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111381 exists.
Other vulnerabilities in Freerdp Freerdp
- CVE-2021-37594 Other in n/a
- CVE-2021-37595 Other in n/a
- CVE-2026-67305 FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr
- CVE-2026-66402 FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass
- CVE-2026-67289 FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection
Sources
Also known as DEBIAN-CVE-2026-111381, GHSA-26cc-wjh8-hjw6, GHSA-65px-33g6-39vx, UBUNTU-CVE-2026-111381.