CVE-2022-34556

MEDIUM

picoc v3.2.2 - NULL Pointer Dereference in variable.c

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-34556. PoCs published by Halcy0nic.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2022-34556, demonstrating a NULL pointer dereference vulnerability in PicoC v3.2.2. The PoC triggers a segmentation fault by executing crafted code that leads to a dereference of a NULL pointer in variable.c.

Description

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

Exploits (1)

nomisec WORKING POC 1 stars
by Halcy0nic · poc
https://github.com/Halcy0nic/CVE-2022-34556

This repository contains a functional proof-of-concept exploit for CVE-2022-34556, demonstrating a NULL pointer dereference vulnerability in PicoC v3.2.2. The PoC triggers a segmentation fault by executing crafted code that leads to a dereference of a NULL pointer in variable.c.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PicoC v3.2.2
No auth needed
Prerequisites: Vulnerable version of PicoC (v3.2.2) compiled and available for execution
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://gitlab.com/zsaleeba/picoc/-/issues/47
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/jpoirier/picoc/issues/34

Scores

CVSS v3 5.5
EPSS 0.0031
EPSS Percentile 22.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
picoc_project/picoc 3.2.2
Published Jul 28, 2022
Tracked Since Feb 18, 2026