Medium severity6.1NVD Advisory· Published Sep 23, 2026
CVE-2026-91817
CVE-2026-91817
Description
A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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