What is CVE-2017-6197?

CVE-2017-6197 is a medium-severity vulnerability in Radare Radare2, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-02-24.

How severe is CVE-2017-6197?

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

NULL pointer dereference in Radare Radare2

CVE-2017-6197

The r_read_* functions in libr/include/r_endian.h in radare2 1.2.1 allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted binary file, as demonstrated by the r_read_le32 function.

Published 2017-02-24 · 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: 0.016 (75.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.000

Affected products

Radare Radare2 — versions 1.2.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/radare/radare2/issues/6816 (Exploit, Patch, Vendor Advisory)
github.com/radare/radare2/commit/1ea23bd6040441a21fbcfba69dce9a01af03f989 (Patch)
www.securityfocus.com/bid/96433 (vdb-entry)

Frequently asked questions

What is CVE-2017-6197?: CVE-2017-6197 is a medium-severity vulnerability in Radare Radare2, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-02-24.
How severe is CVE-2017-6197?: Medium severity. CVSS v3 base score is 5.5 out of 10.