CVE-2026-57245: Foxit PDF Editor/Reader Signature Hyperlink Use-After-Free Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-08 · updated 2026-07-09
Weakness: CWE-416

Description

When the application opens a PDF, traverses and builds the annotation elements related to hyperlinks, it fails to validate the abnormal annotation relationships and field combinations. This results in the internal objects entering an invalid state. Eventually, during the destruction phase, an invalid pointer write occurred, causing the application to crash.

Affected products

Foxit PDF Reader: through 13.2.4.24048; from 14.0.0.33046 through 14.0.4.33508; 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; from 2026.1.0.36452 through 2026.1.1.36485
Foxit Pdf Reader: through 2026.1.1.36485

References

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

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