High severity7.8NVD Advisory· Published Sep 23, 2026

CVE-2026-91809

Description

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Foxitsoftware/PDF Editor/Readerllm-create

Patches

Vulnerability mechanics

References

www.foxit.com/support/security-bulletins.htmlnvd

News mentions

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