Stack exhaustion caused by cyclic references in Foxit PDF Editor/Reader

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-3778
StatePUBLISHED
AssignerFoxit
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-01 02:16:02 UTC
Updated2026-04-14 17:50:53 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.000140000 probability, percentile 0.025840000 (date 2026-04-15)

Problem Types: CWE-674 | CWE-674 CWE-674: Uncontrolled Recursion

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.114984358-7092-470d-8f34-ade47a7658a2Secondary6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Macos - All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Editor All All All All
Application Foxit Pdf Reader All All All All
Application Foxit Pdf Reader All All All All
Operating System Microsoft Windows - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 2025.3 and earlier Windows, MacOS
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 14.0.2 and earlier Windows, MacOS
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 13.2.2 and earlier Windows, MacOS
CNA Foxit Software Inc. Foxit PDF Reader affected Versions 2025.3 and earlier Windows, MacOS

References

ReferenceSourceLinkTags
www.foxit.com/support/security-bulletins.html 14984358-7092-470d-8f34-ade47a7658a2 www.foxit.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Suyue Guo from UCSB Seclab (en)

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