Heap-based buffer overflow in Adobe InDesign - CVE-2026-34701
Published: June 9, 2026
Vulnerability identifier: #VU134058
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34701
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to heap-based buffer overflow in Adobe InDesign when parsing input. A remote attacker can trick the victim into opening crafted content to cause a denial of service.
User interaction is required to open crafted content.
Affected software
Adobe InDesign
How to mitigate CVE-2026-34701
Install security update from vendor's website.
Adobe InDesign - addressed in versions 20.5.4, 21.4