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10 vulnerabilities by Blender Foundation
CVE-2026-119722 (GCVE-0-2026-119722)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:43
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds access vulnerability in read_struct() that skips size validation when a .blend file's SDNA struct layout compares equal. Attackers can supply a crafted .blend file with short blocks so field reads, writes, and pointer dereferences overrun heap memory, causing crashes or code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:43 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
Affected: 5.0.0 , < 5.2.3 (semver) cpe:2.3:a:blender:blender:*:*:*:*:*:*:*:* cpe:2.3:a:blender:blender:*:*:*:*:*:*:*:* |
Date Public
2026-10-13 00:00
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CVE-2026-119721 (GCVE-0-2026-119721)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 18:36
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 18:25 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119720 (GCVE-0-2026-119720)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:16
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via GLOB Block
Summary
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.
Severity
5.5 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119719 (GCVE-0-2026-119719)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:16
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction
Summary
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.
Severity
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119718 (GCVE-0-2026-119718)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:42
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Point Cache
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:42 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119722 (GCVE-0-2026-119722)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:43
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds access vulnerability in read_struct() that skips size validation when a .blend file's SDNA struct layout compares equal. Attackers can supply a crafted .blend file with short blocks so field reads, writes, and pointer dereferences overrun heap memory, causing crashes or code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:43 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119721 (GCVE-0-2026-119721)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 18:36
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 18:25 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119720 (GCVE-0-2026-119720)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:16
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via GLOB Block
Summary
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.
Severity
5.5 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119719 (GCVE-0-2026-119719)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:16
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction
Summary
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.
Severity
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
2026-10-13 00:00
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CVE-2026-119718 (GCVE-0-2026-119718)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 15:42
VLAI
EPSS
VEX
Title
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Point Cache
Summary
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:42 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Blender Foundation | Blender |
Affected:
0 , < 4.5.15
(semver)
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Date Public
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