CVE-2022-34520

Name: CVE-2022-34520
Creator: NVD / NIST
Published: 2022-07-22T15:15:08.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2022-34520 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Radare2 v5.7.2 was discovered to contain a NULL pointer dereference via the function r_bin_file_xtr_load_buffer at bin/bfile.c. This vulnerability allows attackers to cause a Denial of Service (DOS) via a crafted binary file.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

Radare2 v5.7.2 was discovered to contain a NULL pointer dereference via the function r_bin_file_xtr_load_buffer at bin/bfile.c. This vulnerability allows attackers to cause a Denial of Service (DOS) via a crafted binary file.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.28%

19.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Radare	Radare2	5.7.2

References

https://github.com/radareorg/radare2/issues/20354Exploit, Issue Tracking, Third Party Advisory
https://github.com/radareorg/radare2/issues/20354Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34520?

How severe is CVE-2022-34520?

CVE-2022-34520 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34520?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34520?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST