CVE-2026-43909

{"id": "CVE-2026-43909", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43909", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-14T19:37:03.631485Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "AcademySoftwareFoundation", "product": "OpenImageIO", "versions": [{"status": "affected", "version": "< 3.0.18.0"}, {"status": "affected", "version": ">= 3.1.4.0-beta, < 3.1.13.0"}]}]}], "published": "2026-05-14T20:17:07.063", "references": [{"url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-g267-j53j-5258", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-g267-j53j-5258", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-190"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed 32-bit integer overflow in the loop index expression i * 4 inside SwapRGBABytes() causes the function to compute a large negative pointer offset when processing kABGR DPX images with large dimensions. The immediate crash is an out-of-bounds read (the memcpy at line 45 reads from &input[i * 4] first), but the subsequent write operations at lines 46\u201349 target the same wrapped offset \u2014 making this a combined OOB read+write primitive. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0."}, {"lang": "es", "value": "OpenImageIO es un conjunto de herramientas para leer, escribir y manipular archivos de imagen de cualquier formato de archivo de imagen relevante para VFX / animaci\u00f3n. Antes de 3.0.18.0 y 3.1.13.0, un desbordamiento de entero de 32 bits con signo en la expresi\u00f3n del \u00edndice del bucle i * 4 dentro de SwapRGBABytes() hace que la funci\u00f3n calcule un gran desplazamiento de puntero negativo al procesar im\u00e1genes DPX kABGR con grandes dimensiones. El fallo inmediato es una lectura fuera de l\u00edmites (el memcpy en la l\u00ednea 45 lee primero de &input[i * 4]), pero las operaciones de escritura posteriores en las l\u00edneas 46-49 apuntan al mismo desplazamiento envuelto - convirtiendo esto en una primitiva combinada de lectura+escritura OOB. Esta vulnerabilidad est\u00e1 corregida en 3.0.18.0 y 3.1.13.0."}], "lastModified": "2026-10-26T14:10:00.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90B206C1-E7DB-4175-8077-C76D5C8533AF", "versionEndExcluding": "3.0.18.0"}, {"criteria": "cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "34BBB27F-256F-4D15-A394-158343CB8B4D", "versionEndExcluding": "3.1.13.0", "versionStartIncluding": "3.1.4.0"}, {"criteria": "cpe:2.3:a:openimageio:openimageio:3.2.0.0:dev:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F43FE0AC-4CFC-485D-8370-37336EB2CEA0"}, {"criteria": "cpe:2.3:a:openimageio:openimageio:3.2.0.2:dev:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "450296D8-74F5-4847-8433-FE3DFB16C58E"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}