Heap Buffer Overflow in Blender Affects User Security
CVE-2026-119718

8.5HIGH

Key Information:

Status
Vendor
CVE Published:
30 October 2026

What is CVE-2026-119718?

A heap buffer overflow vulnerability exists in Blender versions prior to 4.5.15 and 5.x prior to 5.2.3 due to integer overflow in the ptcache_data_alloc() function when handling point cache files. This flaw allows attackers to craft malicious point cache files with an excessively large totpoint value, potentially leading to application crashes or unauthorized code execution in the context of the user running Blender.

Affected Version(s)

Blender 0 < 4.5.15

Blender 5.0.0 < 5.2.3

References

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tristan Madani
.