What’s Vulnerable › Vulnerabilities

CVE-2022-0849: Use After Free in r_reg_get_name_idx in radareorg/radare2

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-05 · updated 2026-06-17
• Weakness: CWE-416

Description

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Affected products

• radareorg/radare2: before 5.6.6 — fixed in 5.6.6

How to fix

Upgrade to a fixed version: radareorg/radare2 5.6.6. Check the vendor advisory for mitigations.

References

• https://github.com/radareorg/radare2/commit/10517e3ff0e609697eb8cde60ec8dc999ee5ea24
• https://huntr.dev/bounties/29c5f76e-5f1f-43ab-a0c8-e31951e407b6
• https://github.com/radareorg/radare2/commit/10517e3ff0e609697eb8cde60ec8dc999ee5ea24
• https://huntr.dev/bounties/29c5f76e-5f1f-43ab-a0c8-e31951e407b6

Get alerted when CVE-2022-0849 or the next vulnerability affects your stack