cvedb.io
CVE-2026-33418
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-03-24T14:16:30.453 · Last modified 2026-06-17T10:37:27.807

Summary

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 `<svg` 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 `f

Affected products

dicebear — dicebear

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.