What is CVE-2018-11381?

CVE-2018-11381 is a medium-severity vulnerability in Radare Radare2, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-05-22.

How severe is CVE-2018-11381?

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

Out-of-bounds Read in Radare Radare2

CVE-2018-11381

The string_scan_range() function in radare2 2.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted binary file.

Vulnerability class: Buffer Overflow

Published 2018-05-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Radare Radare2 — versions 2.5.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/radare/radare2/commit/3fcf41ed96ffa25b38029449520c8d0a198745f3 (Patch, Third Party Advisory)
github.com/radare/radare2/issues/9902 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-11381?: CVE-2018-11381 is a medium-severity vulnerability in Radare Radare2, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-05-22.
How severe is CVE-2018-11381?: Medium severity. CVSS v3 base score is 5.5 out of 10.