CVE-2026-21358 | THREATINT

Description

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.

PUBLISHED Reserved 2025-12-12 | Published 2026-02-10 | Updated 2026-02-10 | Assigner adobe

MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

Heap-based Buffer Overflow (CWE-122)

Product status

Default status

affected

Any version

affected

References

helpx.adobe.com/security/products/indesign/apsb26-17.html vendor-advisory

cve.org (CVE-2026-21358)

nvd.nist.gov (CVE-2026-21358)

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