{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119719","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-30T14:49:28.319Z","datePublished":"2026-10-30T15:16:16.337Z","dateUpdated":"2026-10-30T15:16:16.337Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-30T15:16:16.337Z"},"datePublic":"2026-10-13T00:00:00.000Z","title":"Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Integer Overflow or Wraparound","cweId":"CWE-190","type":"CWE"}]}],"affected":[{"vendor":"Blender Foundation","product":"Blender","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"4.5.15","status":"affected","versionType":"semver"},{"version":"5.0.0","lessThan":"5.2.3","status":"affected","versionType":"semver"}],"repo":"https://projects.blender.org/blender/blender"}],"cpeApplicability":[{"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"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"}}],"references":[{"url":"https://projects.blender.org/blender/blender/pulls/164279","tags":["patch"]},{"url":"https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08","tags":["patch"]},{"url":"https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97","tags":["patch"]},{"url":"https://projects.blender.org/blender/blender","tags":["product"]},{"name":"VulnCheck Advisory: Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction"}],"credits":[{"lang":"en","value":"Tristan Madani","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}