CVE-2025-1052 HIGH

CVE-2025-1052: Mintty Sixel Image Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Vendor Mintty
Product Mintty
Weakness CWE-122
Published February 11, 2025
Last update February 12, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Mintty Sixel Image Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mintty. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of sixel images. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-23382.

Key dates

02Disclosure timeline

February 11, 2025 CVE published
February 12, 2025 Record updated