THREAT OPS › Threat News › [GHSA] GHSA-4rf6-qx84-q9fv (high) — Fulgur: Non-painting replaced elements amplify to thousands of blank PDF pages (denial of service)
[GHSA] GHSA-4rf6-qx84-q9fv (high) — Fulgur: Non-painting replaced elements amplify to thousands of blank PDF pages (denial of service)
GHSA-4rf6-qx84-q9fv Severity: high CVE: CVE-2026-68537
Fulgur: Non-painting replaced elements amplify to thousands of blank PDF pages (denial of service)
`fulgur` converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. In versions prior to 0.26.0, a childless box that resolves to a pathologically tall height was amplified into thousands of blank
MITRE ATT&CK techniques
- VulnerabilitiesT1588.006
Indicators of compromise
- CVE-2026-68537cve
Original source: https://github.com/advisories/GHSA-4rf6-qx84-q9fv