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  4. CVE 2026 68540 fulgur quadratic style list reprocessing during
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Back to active CVEs
High · CVSS 7.5CVE-2026-68540

fulgur: Quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements causes denial of servicefulgur:CVE-2026-68540

Answer in brief

CVE-2026-68540 records a High severity (CVSS 7.5) vulnerability in fulgur: Quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements causes denial of servicefulgur:. The current sources do not mark it as known exploited. The current feed maps fulgur-rs/fulgur (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 11, 2026Updated Nov 11, 2026Source checked Nov 11, 2026First seen by HOL Nov 11, 2026Material review Nov 11, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps fulgur-rs/fulgur (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
fulgur-rs/fulgurgeneric>=0.6.0 <0.33.00.33.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for fulgur-rs/fulgur.
  2. 2Review the reported fix. Update fulgur-rs/fulgur to 0.33.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 11, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. From version 0.6.0 to before version 0.33.0, quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements cause denial of service. This issue has been patched in version 0.33.0.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • fulgur: Unbounded counters() expansion in generated content causes memory/CPU exhaustion (denial of service)Same fulgur-rs/fulgur package
  • fulgur: Unbounded string-set value accumulation causes memory/CPU exhaustion (denial of service)Same fulgur-rs/fulgur package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-400, CWE-405
Source
CVE List V5
Source checked
Nov 11, 2026
References
4 linked sources
Open source record