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Description

Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.

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




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

Versions 13.2.3 and earlier
affected

Default status
unaffected

Versions 2026.1 and earlier
affected

Credits

Anonymous working with TrendAI Zero Day Initiative finder

References

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

cve.org (CVE-2026-5943)

nvd.nist.gov (CVE-2026-5943)

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