What is CVE-2022-0849?

CVE-2022-0849 is a medium-severity vulnerability in Radare Radare2, classified under Use After Free. CVSS score: 5.5/10. Published 2022-03-05.

How severe is CVE-2022-0849?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Radare Radare2

CVE-2022-0849

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

Vulnerability class: Use-After-Free

Published 2022-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Radare Radare2
Radareorg Radareorg/radare2 — versions unspecified

Weakness classification (CWE)

CWE-416 — Use After Free

References

huntr.dev/bounties/29c5f76e-5f1f-43ab-a0c8-e31951e407b6 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/radareorg/radare2/commit/10517e3ff0e609697eb8cde60ec8dc999ee5ea24 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0849?: CVE-2022-0849 is a medium-severity vulnerability in Radare Radare2, classified under Use After Free. CVSS score: 5.5/10. Published 2022-03-05.
How severe is CVE-2022-0849?: Medium severity. CVSS v3 base score is 5.5 out of 10.