Medium 6.2Published Mar 31, 2026

CVE-2026-3778Stack exhaustion caused by cyclic references in Foxit PDF Editor/Reader

Updated under an hour ago (Oct 26, 2026, 3:40 PM ET)

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It affects Foxit Software Inc. Foxit PDF Editor and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Foxit Software Inc. Foxit PDF Editor

Exploited in the last 30 days

The application does not detect or guard against cyclic PDF object references while handling JavaScript in PDF. When pages and annotations are crafted that reference each other in a loop, passing the document to APIs (e.g., SOAP) that perform deep traversal can cause uncontrolled recursion, stack exhaustion, and application crashes.

CVSS: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-674
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Foxit
NVD analysis: Analyzed
Record last updated: Apr 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Foxit Software Inc. Foxit PDF Editor foxit_software:foxit_pdf_editor (from the name)	Versions 2025.3 and earlier; Versions 14.0.2 and earlier; Versions 13.2.2 and earlier	CNA record
Foxit Software Inc. Foxit PDF Reader foxit_software:foxit_pdf_reader (from the name)	Versions 2025.3 and earlier	CNA record
foxit pdf_editor foxit:pdf_editor	through 13.2.2.24014; from 14.0.0.33046 through 14.0.2.33402; from 2023.1.0.15510 through 2023.3.0.23028; from 2024.1.0.23997 through 2024.4.1.27687; from 2025.1.0.27937 through 2025.3.0.35737; through 13.2.2.63349; from 14.0.0.68868 through 14.0.2.69164; from 2023.1.0.55583 through 2023.3.0.63083; and 2 more ranges	NVD
foxit pdf_reader foxit:pdf_reader	through 2025.3.0.35737; through 2025.3.0.69570	NVD

References

References

https://www.foxit.com/support/security-bulletins.html	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.