Heap-based buffer overflow in Mintty - CVE-2025-1052

 

Heap-based buffer overflow in Mintty - CVE-2025-1052

Published: February 7, 2025


Vulnerability identifier: #VU103705
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-1052
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of sixel images. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Mintty

How to mitigate CVE-2025-1052

Install updates from vendor's website.

Mintty - update to 3.7.5

External References

Related Security Bulletins