A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.
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Fixes

Solution

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Workaround

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History

Wed, 23 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
Description A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.
Title Foxit PDF Editor/Reader — Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Foxit

Published:

Updated: 2026-09-23T07:50:37.787Z

Reserved: 2026-09-15T07:34:43.392Z

Link: CVE-2026-91802

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-23T08:17:12.247

Modified: 2026-09-23T08:17:12.247

Link: CVE-2026-91802

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses