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foxitCVE-2026-91790

When rendering the page image, Foxit PDF Editor/Reader fails to perform validation on image objects whose optional content attributes are malformed.

High7.8CVE-2026-91790 · Published Sep 23, 2026

Source advisory

Affected versions

PackageAffectedFixed in
Foxit PDF Editor
Vendor
<= Versions 2026.2 and earlierNo fix yet
<= Versions 14.0.7 and earlierNo fix yet
<= Versions 13.2.6 and earlierNo fix yet
Foxit PDF Reader
Vendor
<= Versions 2026.2 and earlierNo fix yet
Details and references

When rendering the page image, Foxit PDF Editor/Reader fails to perform validation on image objects whose optional content attributes are malformed. As a result, the program may access an already-freed internal data structure, triggering a crash due to UAF.

CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity from
no source yet
Weakness
CWE-416

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