CVE-2025-67749 - CVE House
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Status published Medium CVE-2025-67749

PCSX2 has an Out-of-bounds Read due to unchecked offset and size passed to memcpy

Vulnerability Description

PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. In versions 2.5.377 and below, an unchecked offset and size used in a memcpy operation inside PCSX2's CDVD SCMD 0x91 and SCMD 0x8F handlers allow a specially crafted disc image or ELF to cause an out-of-bounds read from emulator memory. Because the offset and size is controlled through MG header fields, a specially crafted ELF can read data beyond the bounds of mg_buffer and have it reflected back into emulated memory. This issue is fixed in version 2.5.378.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

pcsx2
Vulnerable Versions:
< 2.5.378

Timeline

Official Publish: December 12th, 2025
Last Modified: December 15th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)