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CVE-2026-60103

Blender 3.0.0 - 5.1.2 Out-of-Bounds Read via crafted .blend SDNA block

6.8 Medium

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Active

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
High

Exploit likelihood

0.17%Up 0.1 points since Jul 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.8

Blender 3.0.0 - 5.1.2 Out-of-Bounds Read via crafted .blend SDNA block

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
CVE-2026-60103
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-43514 6.8

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
EUVD-2026-43514
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-m48f-fh37-4jc6 6.8

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to...

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
GHSA-m48f-fh37-4jc6
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 6.8

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
CVE-2026-60103
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSVDEBIAN-CVE-2026-60103 6.8

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
DEBIAN-CVE-2026-60103
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2026-60103 6.8

Blender 3.0.0 through 5.1.2 contains an out-of-bounds read vulnerability that allows attackers to trigger a crash or read adjacent heap memory by supplying a crafted .blend file with a malicious signed short member_index value in the SDNA block. The member_index field is used as an array index into the sdna->members[] array in sdna_expand_names() without bounds validation, allowing any value outside the allocated range to produce an invalid pointer subsequently passed to strlen(), resulting in a SIGSEGV crash or unintended heap memory disclosure.

Record
UBUNTU-CVE-2026-60103
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
blender
Debian:12
All versions, plus listed versions
3.4.1+dfsg-23.6.2+dfsg-13.6.2+dfsg-24.0.2+dfsg-14.1.1+dfsg-1
Show 20 moreShow less
4.1.1+dfsg-24.1.1+dfsg-34.2.1+dfsg-14.2.2+dfsg-14.2.3+dfsg-14.2.3+dfsg-24.2.3+dfsg-34.3.0+dfsg-14.3.2+dfsg-14.3.2+dfsg-25.0.1+dfsg-15.0.1+dfsg-25.0.1+dfsg-35.0.1+dfsg-45.0.1+dfsg-55.0.1+dfsg-65.0.1+dfsg-75.0.1+dfsg-85.0.1+dfsg-95.2.2+dfsg-1
None known
blender
Debian:13
All versions, plus listed versions
4.3.2+dfsg-25.0.1+dfsg-15.0.1+dfsg-25.0.1+dfsg-35.0.1+dfsg-4
Show 6 moreShow less
5.0.1+dfsg-55.0.1+dfsg-65.0.1+dfsg-75.0.1+dfsg-85.0.1+dfsg-95.2.2+dfsg-1
None known
blender
Ubuntu:16.04:LTS
All versions, plus listed versions
2.74+dfsg0-4build22.75.a+dfsg0-2ubuntu22.75.a+dfsg0-2ubuntu32.76.b+dfsg0-32.76.b+dfsg0-3build1
None known
blender
Ubuntu:18.04:LTS
All versions, plus listed versions
2.78.c+dfsg0-2build12.79+dfsg0-2build12.79+dfsg0-32.79+dfsg0-3build12.79.b+dfsg0-12.79.b+dfsg0-1ubuntu1.18.04.1
None known
blender
Ubuntu:20.04:LTS
All versions, plus listed versions
2.80+dfsg-32.80+dfsg-3build12.80+dfsg-42.81.a+dfsg-5build32.82+dfsg-12.82+dfsg-1build12.82.a+dfsg-1
None known
blender
Ubuntu:22.04:LTS
All versions, plus listed versions
2.93.3+dfsg-32.93.5+dfsg-12.93.5+dfsg-1build13.0.1+dfsg-7
None known
blender
Ubuntu:24.04:LTS
All versions, plus listed versions
3.6.2+dfsg-2ubuntu13.6.2+dfsg-2ubuntu24.0.2+dfsg-1ubuntu14.0.2+dfsg-1ubuntu24.0.2+dfsg-1ubuntu44.0.2+dfsg-1ubuntu64.0.2+dfsg-1ubuntu74.0.2+dfsg-1ubuntu8
None known
blender
Ubuntu:26.10
All versions, plus listed versions
5.0.1+dfsg-1ubuntu15.0.1+dfsg-1ubuntu35.0.1+dfsg-3build15.0.1+dfsg-5
None known
blender
Ubuntu:26.04:LTS
All versions, plus listed versions
4.3.2+dfsg-2ubuntu25.0.1+dfsg-1ubuntu1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-60103 is a medium vulnerability (CVSS 6.8) in Blender, published July 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.

References

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