CVE-2026-21358: InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21358?
CVE-2026-21358 is rated as a high severity vulnerability due to its potential to cause application denial-of-service.
How do I fix CVE-2026-21358?
To fix CVE-2026-21358, update Adobe InDesign Desktop to version 21.2 or later to mitigate the vulnerability.
What types of systems are impacted by CVE-2026-21358?
CVE-2026-21358 impacts Adobe InDesign Desktop versions 21.1, 20.5.1, and earlier.
Can CVE-2026-21358 be exploited remotely?
Yes, an attacker could exploit CVE-2026-21358 remotely to crash the InDesign Desktop application.
What is a heap-based buffer overflow in the context of CVE-2026-21358?
A heap-based buffer overflow in CVE-2026-21358 refers to a vulnerability where an attacker could manipulate memory allocation, leading to potential crashes or denial-of-service.