VEXID-3926764
Published 2026-04-16 02:16:11
Last Modified 2026-05-01 14:41:28
AKA CVE-2026-40504
Summary 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.
CVSS
Access Vector Local Adjacent Network
Access Complexity Low Medium High
Authentication None Single Multiple
Confidentiality None Partial Complete
Integrity None Partial Complete
Availability None Partial Complete