{"id":"CVE-2026-33418","summary":"@dicebear/converter ensureSize() Vulnerable to SVG Dimension Capping Bypass via XML Comment Injection","details":"DiceBear is an avatar library for designers and developers. Prior to version 9.4.2, the `ensureSize()` function in `@dicebear/converter` used a regex-based approach to rewrite SVG `width`/`height` attributes, capping them at 2048px to prevent denial of service. This size capping could be bypassed by crafting SVG input that causes the regex to match a non-functional occurrence of `\u003csvg` before the actual SVG root element. When the SVG is subsequently rendered via `@resvg/resvg-js` on the Node.js code path, it renders at the attacker-specified dimensions, potentially causing out-of-memory crashes. In version 9.4.2, the regex-based approach has been replaced with XML-aware processing using `fast-xml-parser` to correctly identify and modify the SVG root element's attributes. Additionally, a `fitTo` constraint has been added to the `renderAsync` call as defense-in-depth, ensuring the rendered output is always bounded regardless of SVG content.","aliases":["GHSA-7j2x-32w6-p43p"],"modified":"2026-04-10T05:42:45.264121Z","published":"2026-03-24T13:25:57.540Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33418.json","cwe_ids":["CWE-185"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33418.json"},{"type":"ADVISORY","url":"https://github.com/dicebear/dicebear/security/advisories/GHSA-7j2x-32w6-p43p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33418"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dicebear/dicebear","events":[{"introduced":"0"},{"fixed":"73e2dd6cfb471a36871851cf0707b5f2f6b48c32"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"9.4.2"}]}}],"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@3.1.1","@dicebear/avatars@3.1.2","@dicebear/avatars@3.1.3","@dicebear/avatars@3.1.4","@dicebear/avatars@3.2.0","v0.2.4",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