Heap-based buffer overflow in Cobalt - CVE-2025-11464
Published: October 20, 2025
Vulnerability identifier: #VU117386
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11464
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. A remote attacker can trick a victim to open a specially crafted CO 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
Cobalt
How to mitigate CVE-2025-11464
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.