What is CVE-2022-4398?

CVE-2022-4398 is a high-severity vulnerability in Radare Radare2, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-12-10.

How severe is CVE-2022-4398?

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

Integer overflow in Radare Radare2

CVE-2022-4398

Integer Overflow or Wraparound in GitHub repository radareorg/radare2 prior to 5.8.0.

Vulnerability class: Integer Overflow

Published 2022-12-10 · 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: 0.003 (25.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Radare Radare2
Radareorg Radareorg/radare2 — versions unspecified

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

huntr.dev/bounties/c6f8d3ef-5420-4eba-9a5f-aba5e2b5fea2 (Third Party Advisory)
github.com/radareorg/radare2/commit/b53a1583d05c3a5bfe5fa60da133fe59dfbb02b8 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4398?: CVE-2022-4398 is a high-severity vulnerability in Radare Radare2, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-12-10.
How severe is CVE-2022-4398?: High severity. CVSS v3 base score is 7.8 out of 10.