CVE-2026-60103

Summary

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.

Affected Software

Weaknesses

• CWE-125: Out-of-bounds Read

References

• https://projects.blender.org/blender/blender/pulls/161273
• https://projects.blender.org/blender/blender/commit/968972a918b5ed2d534295b639c54449d7de11cd
• https://www.vulncheck.com/advisories/blender-out-of-bounds-read-via-crafted-blend-sdna-block

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