CVE-2026-119719 Blender - Buffer Overflow

Blender < 4.5.15 and 5.x < 5.2.3 contain a heap buffer overflow caused by 32-bit integer overflow in thumb_data_vertical_flip() in the blend file thumbnail extractor, letting attackers execute code or cause crashes by crafting malicious .blend files, exploit requires previewing the file.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-190

Vendor fix

Update to versions 4.5.15, 5.2.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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