CVE-2026-68539

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants.

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. From version 0.4.4 to before version 0.29.0, the CSS string-set named-string values resolved from a document were accumulated per element with no memory budget, letting a small crafted document amplify into large retained memory (and the CPU to copy it) — results in a denial of service. This issue has been patched in version 0.29.0.

11. Nov 2026

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• NVD
  CVE-2026-68539