CVE-2025-49589 PCSX2 Contains a Stack-based Buffer Overflow in IOP Console Logging
A stack-based buffer overflow in PCSX2 allows remote code execution via crafted disc images when IOP Console Logging is enabled.
- 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-2025-49589?
CVE-2025-49589 is a medium-severity memory corruption vulnerability in pcsx2, published on 12 Jun 2025. 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
PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. A stack-based buffer overflow exists in the Kprintf_HLE function of PCSX2 versions up to 2.3.414. Opening a disc image that logs a specially crafted message may allow a remote attacker to execute arbitrary code if the user enabled IOP Console Logging. This vulnerability is fixed in 2.3.414.
Weakness: CWE-121
Which versions are affected by CVE-2025-49589?
How do I fix CVE-2025-49589?
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-2025-49589 being exploited?
There is no known exploitation of CVE-2025-49589 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-49589, GHSA-f494-4xf7-xj35, UBUNTU-CVE-2025-49589.