Report: Complete Guide to CVE-2026-40504 - Creolabs Gravity < 0.9.6 Heap Buffer Overflow via gravity_vm_exec

Report: Complete Guide to CVE-2026-40504 - Creolabs Gravity < 0.9.6 Heap Buffer Overflow via gravity_vm_exec

CVE ID :CVE-2026-40504 Published : April 16, 2026, 2:16 a.m. | 31 minutes ago Description :Creolabs Gravity before 0.9.6 contains a heap buffer overflow vulnerability in the gravity_vm_exec function that allows attackers to write out-of-bounds memory by crafting scripts with many string literals at global scope. Attackers can exploit insufficient bounds checking in gravity_fiber_reassign() to corrupt heap metadata and achieve arbitrary code execution in applications that evaluate untrusted scripts. Severity: 9.8 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
CRITICAL
Published
April 16, 2026
Impact: code execution