# CVE-2026-30656

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## Description

A NULL pointer dereference vulnerability exists in fio (Flexible I/O Tester) v3.41 when parsing job files containing the fdp_pli option. The callback function str_fdp_pli_cb() does not validate the input pointer and calls strdup() on a NULL value when the option is specified without an argument. This results in a segmentation fault and process crash.

## Key facts

- **CVE ID:** CVE-2026-30656
- **Published:** 2026-04-16
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-476

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-30656

## Citation

> AI Analytics. CVE-2026-30656. Retrieved 2026-07-06 from https://api.ai-analytics.org/cve/CVE-2026-30656. Derived from NIST NVD. Licensed CC0.

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