CVE-2026-34703

Analyzed Analyzed - Analysis Complete

NULL Pointer Dereference in Adobe InDesign

Publication date: 2026-06-09

Last updated on: 2026-06-10

Assigner: Adobe Systems Incorporated

Description

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS Scores

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Meta Information

Published

2026-06-09

Last Modified

2026-06-10

Generated

2026-06-30

AI Q&A

2026-06-10

EPSS Evaluated

2026-06-28

NVD

CVE-2026-34703

EUVD

EUVD-2026-35779

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	indesign	to 20.5.4 (exc)
adobe	indesign	From 21.0 (inc) to 21.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Compliance Impact

The vulnerability described is a NULL Pointer Dereference in Adobe InDesign that can cause a denial-of-service by crashing the application when a malicious file is opened.

There is no information provided about any impact on data confidentiality, integrity, or availability beyond application availability, nor any direct mention of compliance with standards such as GDPR or HIPAA.

Therefore, based on the provided information, it is not possible to determine how this vulnerability affects compliance with common standards and regulations.

Mitigation Strategies

To mitigate this vulnerability, avoid opening malicious files in affected versions of Adobe InDesign Desktop (versions 21.3, 20.5.3 and earlier). Since exploitation requires user interaction by opening a malicious file, exercising caution with files from untrusted sources is important.

Additionally, consider updating Adobe InDesign Desktop to a version later than 21.3 or 20.5.3 once a patch or update is available from Adobe.

Executive Summary

This vulnerability is a NULL Pointer Dereference issue found in Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. It occurs when the application attempts to access a memory location that is null or invalid, which causes the application to crash.

An attacker can exploit this vulnerability by tricking a user into opening a specially crafted malicious file, which then causes the application to crash.

Impact Analysis

The primary impact of this vulnerability is a denial-of-service condition. When exploited, it causes the Adobe InDesign application to crash, interrupting normal use.

This can lead to loss of productivity and potential disruption of workflows that depend on the application.

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