---
title: "CVE-2026-119719: Blender - Buffer Overflow"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-119719/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-119719)

## 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](https://cwe.mitre.org/data/definitions/190.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-119719](https://nvd.nist.gov/vuln/detail/CVE-2026-119719)
- [https://projects.blender.org/blender/blender](https://projects.blender.org/blender/blender)
- [https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97](https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97)
- [https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08](https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08)
- [https://projects.blender.org/blender/blender/pulls/164279](https://projects.blender.org/blender/blender/pulls/164279)
- [https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction](https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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