CVE-2022-34556

Name: CVE-2022-34556
Creator: NVD / NIST
Published: 2022-07-28T23:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2022-34556 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. PicoC v3.2.2 was discovered to contain a NULL pointer dereference at variable.c.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

PicoC v3.2.2 was discovered to contain a NULL pointer dereference at variable.c.

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

0.31%

22.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Picoc Project	Picoc	3.2.2

References

https://github.com/jpoirier/picoc/issues/34Exploit, Issue Tracking, Third Party Advisory
https://gitlab.com/zsaleeba/picoc/-/issues/47Exploit, Issue Tracking, Third Party Advisory
https://github.com/jpoirier/picoc/issues/34Exploit, Issue Tracking, Third Party Advisory
https://gitlab.com/zsaleeba/picoc/-/issues/47Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34556?

PicoC v3.2.2 was discovered to contain a NULL pointer dereference at variable.c.

How severe is CVE-2022-34556?

CVE-2022-34556 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34556?

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-2022-34556?

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

Scan your code now

Source: NVD / NIST