{"id":"CVE-2026-29112","summary":"@dicebear/converter vulnerable to ncontrolled memory allocation via crafted SVG dimensions","details":"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.","aliases":["GHSA-v3r3-4qgc-vw66"],"modified":"2026-04-10T05:42:29.255294Z","published":"2026-03-18T02:19:56.503Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29112.json","cwe_ids":["CWE-770"]},"references":[{"type":"WEB","url":"https://github.com/dicebear/dicebear/releases/tag/v9.4.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29112.json"},{"type":"ADVISORY","url":"https://github.com/dicebear/dicebear/security/advisories/GHSA-v3r3-4qgc-vw66"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29112"},{"type":"FIX","url":"https://github.com/dicebear/dicebear/commit/42a59eac46a3c68598859e608ec45e578b27614a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dicebear/dicebear","events":[{"introduced":"0"},{"fixed":"32bfd7194b930f5e3b6bc5b8a81beaed48d9bdfd"}]}],"versions":["0.2.0","0.2.1","0.2.2","0.2.3","1.0.0","1.0.1","@dicebear/avatars-avataaars-sprites@1.0.10","@dicebear/avatars-avataaars-sprites@1.0.2","@dicebear/avatars-avataaars-sprites@1.0.3","@dicebear/avatars-avataaars-sprites@1.0.4","@dicebear/avatars-avataaars-sprites@1.0.5","@dicebear/avatars-avataaars-sprites@1.0.6","@dicebear/avatars-avataaars-sprites@1.0.7","@dicebear/avatars-avataaars-sprites@1.0.8","@dicebear/avatars-avataaars-sprites@1.0.9","@dicebear/avatars-avataaars-sprites@1.1.0","@dicebear/avatars-avataaars-sprites@1.1.1","@dicebear/avatars-avataaars-sprites@1.1.2","@dicebear/avatars-avataaars-sprites@1.1.3","@dicebear/avatars-avataaars-sprites@1.1.4","@dicebear/avatars-avataaars-sprites@1.1.5","@dicebear/avatars-bottts-sprites@1.0.0","@dicebear/avatars-bottts-sprites@1.1.0","@dicebear/avatars-bottts-sprites@1.1.1","@dicebear/avatars-bottts-sprites@1.1.2","@dicebear/avatars-bottts-sprites@1.1.3","@dicebear/avatars-bottts-sprites@1.1.4","@dicebear/avatars-female-sprites@2.0.2","@dicebear/avatars-female-sprites@2.0.3","@dicebear/avatars-female-sprites@2.0.4","@dicebear/avatars-female-sprites@2.0.5","@dicebear/avatars-female-sprites@2.0.6","@dicebear/avatars-female-sprites@2.0.7","@dicebear/avatars-female-sprites@2.1.0","@dicebear/avatars-female-sprites@2.1.1","@dicebear/avatars-female-sprites@2.1.2","@dicebear/avatars-female-sprites@2.1.3","@dicebear/avatars-female-sprites@2.1.4","@dicebear/avatars-gridy-sprites@1.0.10","@dicebear/avatars-gridy-sprites@1.0.11","@dicebear/avatars-gridy-sprites@1.0.12","@dicebear/avatars-gridy-sprites@1.0.5","@dicebear/avatars-gridy-sprites@1.0.6","@dicebear/avatars-gridy-sprites@1.0.7","@dicebear/avatars-gridy-sprites@1.0.8","@dicebear/avatars-gridy-sprites@1.0.9","@dicebear/avatars-gridy-sprites@1.1.0","@dicebear/avatars-gridy-sprites@1.1.1","@dicebear/avatars-gridy-sprites@1.1.2","@dicebear/avatars-gridy-sprites@1.1.3","@dicebear/avatars-gridy-sprites@1.1.4","@dicebear/avatars-gridy-sprites@1.1.5","@dicebear/avatars-human-sprites@1.0.0","@dicebear/avatars-human-sprites@1.0.1","@dicebear/avatars-identicon-sprites@2.0.2","@dicebear/avatars-identicon-sprites@2.0.3","@dicebear/avatars-identicon-sprites@2.0.4","@dicebear/avatars-identicon-sprites@2.0.5","@dicebear/avatars-identicon-sprites@2.0.6","@dicebear/avatars-identicon-sprites@2.0.7","@dicebear/avatars-identicon-sprites@2.1.0","@dicebear/avatars-identicon-sprites@2.1.1","@dicebear/avatars-identicon-sprites@2.1.2","@dicebear/avatars-identicon-sprites@2.1.3","@dicebear/avatars-identicon-sprites@2.1.4","@dicebear/avatars-initials-sprites@1.0.0","@dicebear/avatars-initials-sprites@1.0.1","@dicebear/avatars-initials-sprites@1.0.2","@dicebear/avatars-initials-sprites@1.0.3","@dicebear/avatars-initials-sprites@1.0.4","@dicebear/avatars-initials-sprites@1.0.5","@dicebear/avatars-initials-sprites@1.0.6","@dicebear/avatars-initials-sprites@1.0.7","@dicebear/avatars-initials-sprites@1.0.8","@dicebear/avatars-initials-sprites@1.0.9","@dicebear/avatars-jdenticon-sprites@1.0.0-alpha.0","@dicebear/avatars-jdenticon-sprites@1.0.1","@dicebear/avatars-jdenticon-sprites@1.0.2","@dicebear/avatars-jdenticon-sprites@1.0.3","@dicebear/avatars-jdenticon-sprites@1.0.4","@dicebear/avatars-jdenticon-sprites@1.1.0","@dicebear/avatars-jdenticon-sprites@1.1.1","@dicebear/avatars-jdenticon-sprites@1.1.2","@dicebear/avatars-jdenticon-sprites@1.1.3","@dicebear/avatars-jdenticon-sprites@1.1.4","@dicebear/avatars-male-sprites@2.0.2","@dicebear/avatars-male-sprites@2.0.3","@dicebear/avatars-male-sprites@2.0.4","@dicebear/avatars-male-sprites@2.0.5","@dicebear/avatars-male-sprites@2.0.6","@dicebear/avatars-male-sprites@2.0.7","@dicebear/avatars-male-sprites@2.1.0","@dicebear/avatars-male-sprites@2.1.1","@dicebear/avatars-male-sprites@2.1.2","@dicebear/avatars-male-sprites@2.1.3","@dicebear/avatars-male-sprites@2.1.4","@dicebear/avatars@3.0.2","@dicebear/avatars@3.0.3","@dicebear/avatars@3.0.4","@dicebear/avatars@3.0.5","@dicebear/avatars@3.0.6","@dicebear/avatars@3.0.7","@dicebear/avatars@3.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