What is CVE-2025-1864?

CVE-2025-1864 is a critical-severity vulnerability in Radare Radare2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-03-03.

How severe is CVE-2025-1864?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Radare Radare2

CVE-2025-1864

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in radareorg radare2 allows Overflow Buffers.This issue affects radare2: before <5.9.9.

Vulnerability class: Buffer Overflow

Published 2025-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Radare Radare2
Radareorg Radare2 — versions 0

Weakness classification (CWE)

References

github.com/radareorg/radare2/pull/23981 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-1864?: CVE-2025-1864 is a critical-severity vulnerability in Radare Radare2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-03-03.
How severe is CVE-2025-1864?: Critical severity. CVSS v3 base score is 9.8 out of 10.