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Description

A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.

PUBLISHED Reserved 2026-04-09 | Published 2026-04-27 | Updated 2026-04-28 | Assigner Foxit




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

CWE-416 Use after free

Product status

Default status
unaffected

Versions 2026.1 and earlier
affected

Versions 14.0.3 and earlier
affected

Default status
unaffected

Versions 2026.1 and earlier
affected

Credits

Haein Lee from KAIST Hacking Lab finder

References

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

cve.org (CVE-2026-5939)

nvd.nist.gov (CVE-2026-5939)

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