CVE-2026-57246 PUBLISHED

Foxit PDF Editor/Reader Signature Buffer Overflow Vulnerability

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

When dealing with abnormally constructed objects, there is a lack of argument validation; JavaScript triggers signature verification, but the signature plugin does not perform validation when copying the abnormal string, causing the application to crash.

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

Buffer Copy without Checking Size of Input (CWE-120) CWE

Impacts

Potential arbitrary code execution