CVE-2026-68523 fulgur - Denial of Service

fulgur < 0.19.0 contains a denial of service caused by unbounded slicing of body-direct child elements with excessive CSS-resolved height, letting attackers cause resource exhaustion, exploit requires crafted CSS with large height values.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.61% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-400

Vendor fix

Update to version 0.19.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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