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CVE-2026-119720— Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via GLOB Block

Quick assessment

Affected
Blender Foundation Blender
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Blender 4.5.15 之前版本以及 5.x 系列中 5.2.3 之前的版本，在 函数中存在堆越界读取漏洞。该漏洞源于函数在读取 GLOB 块字段时，未验证其声明的长度。攻击者可构造一个包含被截断 GLOB 块的恶意 文件；当用户打开该文件时，将触发越界读取并导致 Blender 崩溃。

CVSS 5.5 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
Blender Foundation Blender < 4.5.15 affected
5.0.0< 5.2.3 affected
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I. Basic Information for CVE-2026-119720

Vulnerability Information
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Vulnerability Title
Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via GLOB Block
Source: CVE Program / CVE List V5
Vulnerability Description
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds read vulnerability in read_file_dna() that reads a GLOB block field without validating its declared length. Attackers can supply a crafted .blend file with a truncated GLOB block that, when opened, triggers the out-of-bounds read and crashes Blender.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Blender Foundation Blender 0 ~ 4.5.15 -

II. Public POCs for CVE-2026-119720

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III. Intelligence Information for CVE-2026-119720

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Other References for CVE-2026-119720 (5)

Same Patch Batch · Blender Foundation · 2026-10-30 · 5 CVEs total

CVE-2026-119718 7.8 HIGH Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Point Cache
CVE-2026-119722 7.8 HIGH Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()
CVE-2026-119719 7.8 HIGH Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction
CVE-2026-119721 6.1 MEDIUM Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors

IV. Related Vulnerabilities

Same product: Blender
Same vendor: Blender Foundation
Same weakness: CWE-125