CVE-2026-91808

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

MEDIUM
6.1
CVSS Score
Published: September 23, 2026 at 07:50 AM UTC
Updated: October 8, 2026 at 01:53 PM UTC
2 products affected across 1 vendorPDF ReaderPDF Editor· also runs on 1 platform

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 13.2.5.6348214.0.0.33046 ≤ v ≤ 14.0.7.337512023.1.0.15510 ≤ v ≤ 2023.3.0.230282024.1.0.23997 ≤ v ≤ 2024.4.1.276872025.1.0.27937 ≤ v ≤ 2025.3.0.357372026.1.0.36452 ≤ v ≤ 2026.2.0.39747*Versions 13.2.6 and earlierVersions 14.0.7 and earlierVersions 2026.2 and earlier
microsoft-windows (environment)
v ≤ 2026.2.0.39747*Versions 2026.2 and earlier
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMFoxit
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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