What is CVE-2022-1244?

CVE-2022-1244 is a medium-severity vulnerability in Radare Radare2, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-04-05.

How severe is CVE-2022-1244?

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

Is CVE-2022-1244 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Radare Radare2

CVE-2022-1244

heap-buffer-overflow in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of inducing denial of service.

Vulnerability class: Buffer Overflow

Published 2022-04-05 · 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: 0.008 (55.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% 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-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

huntr.dev/bounties/8ae2c61a-2220-47a5-bfe8-fe6d41ab1f82 (Exploit, Third Party Advisory)
github.com/radareorg/radare2/commit/2b77b277d67ce061ee6ef839e7139ebc2103c1e3 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1244?: CVE-2022-1244 is a medium-severity vulnerability in Radare Radare2, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-04-05.
How severe is CVE-2022-1244?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-1244 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.