{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-29112", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-03T21:54:06.710Z", "datePublished": "2026-03-18T02:19:56.503Z", "dateUpdated": "2026-03-18T20:03:09.619Z"}, "containers": {"cna": {"title": "@dicebear/converter vulnerable to ncontrolled memory allocation via crafted SVG dimensions", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/dicebear/dicebear/security/advisories/GHSA-v3r3-4qgc-vw66", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/dicebear/dicebear/security/advisories/GHSA-v3r3-4qgc-vw66"}, {"name": "https://github.com/dicebear/dicebear/commit/42a59eac46a3c68598859e608ec45e578b27614a", "tags": ["x_refsource_MISC"], "url": "https://github.com/dicebear/dicebear/commit/42a59eac46a3c68598859e608ec45e578b27614a"}, {"name": "https://github.com/dicebear/dicebear/releases/tag/v9.4.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/dicebear/dicebear/releases/tag/v9.4.0"}], "affected": [{"vendor": "dicebear", "product": "dicebear", "versions": [{"version": "< 9.4.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-18T02:19:56.503Z"}, "descriptions": [{"lang": "en", "value": "DiceBear is an avatar library for designers and developers. Prior to version 9.4.0, the `ensureSize()` function in `@dicebear/converter` read the `width` and `height` attributes from the input SVG to determine the output canvas size for rasterization (PNG, JPEG, WebP, AVIF). An attacker who can supply a crafted SVG with extremely large dimensions (e.g. `width=\"999999999\"`) could force the server to allocate excessive memory, leading to denial of service. This primarily affects server-side applications that pass untrusted or user-supplied SVGs to the converter's `toPng()`, `toJpeg()`, `toWebp()`, or `toAvif()` functions. Applications that only convert self-generated DiceBear avatars are not practically exploitable, but are still recommended to upgrade. This is fixed in version 9.4.0. The `ensureSize()` function no longer reads SVG attributes to determine output size. Instead, a new `size` option (default: 512, max: 2048) controls the output dimensions. Invalid values (NaN, negative, zero, Infinity) fall back to the default. If upgrading is not immediately possible, validate and sanitize the `width` and `height` attributes of any untrusted SVG input before passing it to the converter."}], "source": {"advisory": "GHSA-v3r3-4qgc-vw66", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-18T19:43:55.471633Z", "id": "CVE-2026-29112", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-18T20:03:09.619Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dicebear:dicebear:*:*:*:*:*:*:*:*", "matchCriteriaId": "37C4F08A-FD88-4799-B9C7-85D60DB0FE0D", "versionEndExcluding": "9.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DiceBear is an avatar library for designers and developers. Prior to version 9.4.0, the `ensureSize()` function in `@dicebear/converter` read the `width` and `height` attributes from the input SVG to determine the output canvas size for rasterization (PNG, JPEG, WebP, AVIF). An attacker who can supply a crafted SVG with extremely large dimensions (e.g. `width=\"999999999\"`) could force the server to allocate excessive memory, leading to denial of service. This primarily affects server-side applications that pass untrusted or user-supplied SVGs to the converter's `toPng()`, `toJpeg()`, `toWebp()`, or `toAvif()` functions. Applications that only convert self-generated DiceBear avatars are not practically exploitable, but are still recommended to upgrade. This is fixed in version 9.4.0. The `ensureSize()` function no longer reads SVG attributes to determine output size. Instead, a new `size` option (default: 512, max: 2048) controls the output dimensions. Invalid values (NaN, negative, zero, Infinity) fall back to the default. If upgrading is not immediately possible, validate and sanitize the `width` and `height` attributes of any untrusted SVG input before passing it to the converter."}, {"lang": "es", "value": "DiceBear es una biblioteca de avatares para dise\u00f1adores y desarrolladores. Antes de la versi\u00f3n 9.4.0, la funci\u00f3n 'ensureSize()' en '@dicebear/converter' le\u00eda los atributos 'width' y 'height' del SVG de entrada para determinar el tama\u00f1o del lienzo de salida para la rasterizaci\u00f3n (PNG, JPEG, WebP, AVIF). Un atacante que pueda proporcionar un SVG manipulado con dimensiones extremadamente grandes (por ejemplo, 'width=\"999999999\"') podr\u00eda forzar al servidor a asignar memoria excesiva, lo que llevar\u00eda a una denegaci\u00f3n de servicio. Esto afecta principalmente a las aplicaciones del lado del servidor que pasan SVGs no confiables o proporcionados por el usuario a las funciones 'toPng()', 'toJpeg()', 'toWebp()' o 'toAvif()' del conversor. Las aplicaciones que solo convierten avatares DiceBear autogenerados no son pr\u00e1cticamente explotables, pero a\u00fan as\u00ed se recomienda actualizarlas. Esto se ha solucionado en la versi\u00f3n 9.4.0. La funci\u00f3n 'ensureSize()' ya no lee los atributos SVG para determinar el tama\u00f1o de salida. En su lugar, una nueva opci\u00f3n 'size' (predeterminado: 512, m\u00e1ximo: 2048) controla las dimensiones de salida. Los valores no v\u00e1lidos (NaN, negativo, cero, Infinito) vuelven al valor predeterminado. Si la actualizaci\u00f3n no es posible de inmediato, valide y sanee los atributos 'width' y 'height' de cualquier entrada SVG no confiable antes de pasarla al conversor."}], "id": "CVE-2026-29112", "lastModified": "2026-03-18T19:34:55.067", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-18T04:17:16.037", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/dicebear/dicebear/commit/42a59eac46a3c68598859e608ec45e578b27614a"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/dicebear/dicebear/releases/tag/v9.4.0"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/dicebear/dicebear/security/advisories/GHSA-v3r3-4qgc-vw66"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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