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    CVE-2026-119719

    Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.

    Published:Oct 30, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 30, 2026
    EPSS Score:
    CVSS Score:7.8

    Affected Products

    Vendor
    Blender
    Product
    Blender

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-119722 (CVSS 8.5) — Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds access vulnerability in read_struct()…
    CVE-2026-119721 (CVSS 6.9) — Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* acce…
    CVE-2026-119720 (CVSS 6.8) — Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds read vulnerability in read_file_dna()…
    CVE-2026-119718 (CVSS 8.5) — Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer ove…
    CVE-2026-60103 (CVSS 6.8) — Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a cr…
    CVE-2022-2833 (CVSS 7.5) — Endless Infinite loop in Blender-thumnailing due to logical bugs.…
    CVE-2022-2831 (CVSS 7.5) — A flaw was found in Blender 3.3.0. An interger overflow in source/blender/blendthumb/src/blendthumb_extract.cc…
    CVE-2022-2832 (CVSS 7.5) — A flaw was found in Blender 3.3.0. A null pointer dereference exists in source/blender/gpu/opengl/gl_backend.c…
    CVE-2022-0546 (CVSS 7.8) — A missing bounds check in the image loader used in Blender 3.x and 2.93.8 leads to out-of-bounds heap access, …
    CVE-2022-0545 (CVSS 7.8) — An integer overflow in the processing of loaded 2D images leads to a write-what-where vulnerability and an out…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-119719 — Blender (High 8.5) | CVE-DB