CVE-2024-20783: Adobe Indesign 2024 RLE File Parsing Heap Memory Corruption

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-09 · updated 2026-06-17
Weakness: CWE-122

Description

InDesign Desktop versions ID19.3, ID18.5.2 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 products

Adobe InDesign Desktop: before 18.5.3; from 19.0 before 19.4 — fixed in 18.5.3, 19.4

How to fix

Upgrade to a fixed version: Adobe InDesign Desktop 18.5.3, 19.4. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/indesign/apsb24-48.html
https://helpx.adobe.com/security/products/indesign/apsb24-48.html

Get alerted when CVE-2024-20783 or the next vulnerability affects your stack