# CVE-2026-6844

> Vulnerability · severity: **MEDIUM** (CVSS 5.5).

## Description

A flaw was found in the `readelf` utility of the binutils package. A local attacker could exploit two Denial of Service (DoS) vulnerabilities by providing a specially crafted Executable and Linkable Format (ELF) file. One vulnerability, a resource exhaustion (CWE-400), can lead to an out-of-memory condition. The other, a null pointer dereference (CWE-476), can cause a segmentation fault. Both issues can result in the `readelf` utility becoming unresponsive or crashing, leading to a denial of service.

## Key facts

- **CVE ID:** CVE-2026-6844
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 5.5
- **CWE codes:** CWE-400

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6844

## Citation

> AI Analytics. CVE-2026-6844. Retrieved 2026-07-11 from https://api.ai-analytics.org/cve/CVE-2026-6844. Derived from NIST NVD. Licensed CC0.

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