CVE-2020-23026

Name: CVE-2020-23026
Creator: NVD / NIST
Published: 2022-01-03T20:15:07.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-23026 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS).. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS).

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.04%

59.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Dhrystone Project	Dhrystone	2.1

References

https://fossies.org/linux/privat/old/dhrystone-2.1.tar.gz/dhry_1.cThird Party Advisory
https://fossies.org/linux/privat/old/dhrystone-2.1.tar.gz/dhry_1.cThird Party Advisory

Timeline

Published: Jan 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23026?

A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS).

How severe is CVE-2020-23026?

CVE-2020-23026 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23026?

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-2020-23026?

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

Scan your code now

Source: NVD / NIST