Is CVE-2026-91808 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91808?

CVE-2026-91808 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-91808

Description

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor Reader’s handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding may result in an undersized buffer and an out-of-bounds read during rendering, causing an application crash.