{"id":"CVE-2026-119719","aliases":[],"cve":{"records":[{"id":"CVE-2026-119719","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T14:49:28.319Z","published":"2026-10-30T15:16:16.337Z","modified":"2026-10-30T15:16:16.337Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T15:16:16.337Z"}],"references":[{"url":"https://projects.blender.org/blender/blender/pulls/164279","tags":["patch"],"source":"VulnCheck"},{"url":"https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08","tags":["patch"],"source":"VulnCheck"},{"url":"https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97","tags":["patch"],"source":"VulnCheck"},{"url":"https://projects.blender.org/blender/blender","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-190","description":"Integer Overflow or Wraparound","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:blender:blender:*:*:*:*:*:*:*:*","versionEndExcluding":"4.5.15"},{"vulnerable":true,"criteria":"cpe:2.3:a:blender:blender:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0.0","versionEndExcluding":"5.2.3"}]}]}]}],"prioritization":[]},"title":"Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"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execution.","score":8.5,"severity":"high","published":"2026-10-30T15:16:16.337Z","modified":"2026-10-30T15:16:16.337Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Blender Foundation","name":"Blender","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"4.5.15","versionType":"semver"},{"version":"5.0.0","status":"affected","lessThan":"5.2.3","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119719"}],"remediation":[],"references":["https://projects.blender.org/blender/blender/pulls/164279","https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08","https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97","https://projects.blender.org/blender/blender","https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction"],"sources":[{"name":"CVE","id":"CVE-2026-119719","modified":"2026-10-30T15:16:16.337Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119719"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.5},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8}],"sourceAffected":[],"observedAt":"2026-10-30T17:04:29.880Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:20:31.980Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Blender before 4.5.15 and 5.x before 5.2.3 has a heap buffer overflow vulnerability via thumbnail extraction, potentially causing crashes. The issue is due to a 32-bit integer overflow. Attackers can craft malicious .blend files to trigger the vulnerability.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T13:46:08.628Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119719"}]}}