CVE-2026-91807

Foxit PDF Editor/Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVSS 3.1 6.1 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-91807

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91807

Published

Foxit PDF Editor

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Foxit Software Inc.",
                    "product": "Foxit PDF Editor",
                    "platforms": [
                        "Windows"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Versions 2026.2 and earlier"
                        },
                        {
                            "status": "affected",
                            "version": "Versions 14.0.7 and earlier"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Foxit PDF Editor

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Foxit Software Inc.",
                    "product": "Foxit PDF Editor",
                    "platforms": [
                        "MacOS"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Versions 2026.2 and earlier"
                        },
                        {
                            "status": "affected",
                            "version": "Versions 14.0.7 and earlier"
                        },
                        {
                            "status": "affected",
                            "version": "Versions 13.2.6 and earlier"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Foxit PDF Reader

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Foxit Software Inc.",
                    "product": "Foxit PDF Reader",
                    "platforms": [
                        "Windows",
                        "MacOS"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Versions 2026.2 and earlier"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON