CRITICALVulnerability
Verified
Global

NVD CRITICAL: CVE-2026-40504 — Creolabs Gravity before 0.9.6 contains a heap buffer overflow vulnerability in t...

·Source: NIST NVD

Updated:

Executive 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 untrus

Analysis

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 Score: 9.8. Published: 2026-04-16T02:16:11.693.

Indicators of Compromise (1)

CVE (1)
CVE-2026-40504
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Apr 16, 2026. Verified by: NIST.

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