What is CVE-2022-1237?

CVE-2022-1237 is a high-severity vulnerability in Radare Radare2, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2022-04-06.

How severe is CVE-2022-1237?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Radare Radare2

CVE-2022-1237

Improper Validation of Array Index in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is heap overflow and may be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/122.html).

Published 2022-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Radare Radare2
Radareorg Radareorg/radare2 — versions unspecified

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

huntr.dev/bounties/ad3c9c4c-76e7-40c8-bd4a-c095acd8bb40 (Exploit, Third Party Advisory)
github.com/radareorg/radare2/commit/2d782cdaa2112c10b8dd5e7a93c134b2ada9c1a6 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1237?: CVE-2022-1237 is a high-severity vulnerability in Radare Radare2, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2022-04-06.
How severe is CVE-2022-1237?: High severity. CVSS v3 base score is 7.8 out of 10.