CVE-2026-34629: InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Published Apr 14, 2026
·Updated
InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
3 affected components
Adobe InDesign Desktop=20.5.2, <=21.2
Adobe InDesign<20.5.3
Adobe InDesign>=21.0<21.3
Event History
Apr 14, 2026
CVE Published
via MITRE·05:05 PM
Data Sourced
via MITRE·05:05 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-34629?
CVE-2026-34629 is classified as a critical vulnerability due to its ability to allow arbitrary code execution.
2
How do I fix CVE-2026-34629?
To fix CVE-2026-34629, update Adobe InDesign Desktop to the latest version beyond 21.2.
3
What versions of InDesign Desktop are affected by CVE-2026-34629?
CVE-2026-34629 affects Adobe InDesign Desktop versions 20.5.2 and 21.2 and earlier.
4
What type of vulnerability is CVE-2026-34629?
CVE-2026-34629 is a heap-based buffer overflow vulnerability.
5
What exploitation condition is required for CVE-2026-34629?
Exploitation of CVE-2026-34629 requires user interaction to trigger the vulnerability.