Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-5943

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
27/04/2026
Last modified:
29/04/2026

Description

Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* 13.2.4 (excluding)
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* 14.0.0 (including) 14.0.4 (excluding)
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* 2023.0.0 (including) 2026.1.1 (excluding)
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:* 2026.1.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools