CVE-2026-91807 - Vulnerability Details - OpenCVE

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed image soft-mask data. Insufficient validation of the soft-mask data attribute during image parsing may cause an arithmetic underflow, resulting in an out-of-bounds read and application crash.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00153.

Key SSVC decision points have not yet been added.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.foxit.com/support/security-bulletins.html

History

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

Type	Values Removed	Values Added
Description		A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed image soft-mask data. Insufficient validation of the soft-mask data attribute during image parsing may cause an arithmetic underflow, resulting in an out-of-bounds read and application crash.
Title		Foxit PDF Editor/Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Weaknesses		CWE-125
References		https://www.foxit.com/support/security-bulletins.html
Metrics		cvssV3_1 `{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Foxit

Published: 2026-09-23T07:50:24.382Z

Updated: 2026-09-23T07:50:24.382Z

Reserved: 2026-09-15T07:34:43.393Z

Link: CVE-2026-91807

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-23T08:17:12.807

Modified: 2026-09-23T08:17:12.807

Link: CVE-2026-91807

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

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