What is CVE-2018-12321?

CVE-2018-12321 is a high-severity vulnerability in Radare Radare2, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2018-06-13.

How severe is CVE-2018-12321?

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

Out-of-bounds Read in Radare Radare2

CVE-2018-12321

There is a heap out of bounds read in radare2 2.6.0 in java_switch_op() in libr/anal/p/anal_java.c via a crafted Java binary file.

Vulnerability class: Buffer Overflow

Published 2018-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Radare Radare2 — versions 2.6.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/radare/radare2/issues/10296 (Third Party Advisory, Issue Tracking)
github.com/radare/radare2/commit/224e6bc13fa353dd3b7f7a2334588f1c4229e58d (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-12321?: CVE-2018-12321 is a high-severity vulnerability in Radare Radare2, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2018-06-13.
How severe is CVE-2018-12321?: High severity. CVSS v3 base score is 7.8 out of 10.