{"id":"CVE-2026-119722","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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"Blender Foundation","product":"Blender","affected":["Blender < 4.5.15","Blender >= 5.0.0 < 5.2.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-30T15:43:02.180191Z"},"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T15:43:14.258Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119722","references":[{"url":"https://projects.blender.org/blender/blender/pulls/164279"},{"url":"https://projects.blender.org/blender/blender/commit/c5d6faf04bf3f17efb6c404896ef0e7427784da5"},{"url":"https://projects.blender.org/blender/blender/commit/7de4986e74ed47f67e78eb4b76609bb6d1ae8a0e"},{"url":"https://projects.blender.org/blender/blender"},{"url":"https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-out-of-bounds-access-via-read-struct","label":"VulnCheck Advisory: Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()"}],"tags":["cve.org"],"epss":0.00178,"epssPercentile":0.07448,"ingestedAt":"2026-11-05T16:07:30.464Z","slug":"CVE-2026-119722","body":"## Overview\n\nBlender 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.\n\n## Affected\n\n- `Blender < 4.5.15`\n- `Blender >= 5.0.0 < 5.2.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}