NULL Pointer Dereference in Foxit PDF Reader and PDF Editor Allows for Collab.addStateModel Exploit

CVE-2022-26979 · HIGH Severity

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

Foxit PDF Reader before 12.0.1 and PDF Editor before 12.0.1 allow a NULL pointer dereference when this.Span is used for oState of Collab.addStateModel, because this.Span.text can be NULL.

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