CVE-2026-57251 PUBLISHED

Foxit PDF Editor/Reader Cloud Appearance Buffer Overflow Vulnerability

Assigner: Foxit
Reserved: 24.06.2026 Published: 08.07.2026 Updated: 08.07.2026

The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

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

CVSS 3.1

Product Status

Vendor	Foxit Software Inc.
Product	Foxit PDF Editor
Versions	Default: unaffected Version Versions 2026.1.1 and earlier is affected Version Versions 14.0.4 and earlier is affected Version Versions 13.2.4 and earlier is affected

Vendor	Foxit Software Inc.
Product	Foxit PDF Reader
Versions	Default: unaffected Version Versions 2026.1.1 and earlier is affected

Credits

XuPeng finder

References

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

Problem Types

CWE-129 Improper validation of array index CWE

Impacts

Potential arbitrary code execution