CVE-2026-9541: Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow
A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-9541?
The severity of CVE-2026-9541 is classified as medium with a score of 5.3.
How do I fix CVE-2026-9541?
To mitigate CVE-2026-9541, it is recommended to update Squirrel to the latest version where the vulnerability is addressed.
What type of vulnerability is CVE-2026-9541?
CVE-2026-9541 is classified as a heap-based buffer overflow vulnerability.
Can CVE-2026-9541 be exploited remotely?
No, CVE-2026-9541 requires local access to exploit the vulnerability.
What component is affected by CVE-2026-9541?
CVE-2026-9541 affects the function ReadObject in the file squirrel/sqobject.cpp of the Squirrel Cnut File Handler.