# CVE-2026-35547

> Vulnerability · severity: **HIGH** (CVSS 8.1).

## Description

When processing the header of an incoming message, libnv failed to properly validate the message size.

The lack of validation allows a malicious program to write outside the bounds of a heap allocation.  This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges.

## Key facts

- **CVE ID:** CVE-2026-35547
- **Published:** 2026-04-30
- **CVSS severity:** HIGH
- **CVSS base score:** 8.1
- **CWE codes:** CWE-122, CWE-130

## Affected products

- `freebsd:freebsd`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35547

## Citation

> AI Analytics. CVE-2026-35547. Retrieved 2026-07-12 from https://api.ai-analytics.org/cve/CVE-2026-35547. Derived from NIST NVD. Licensed CC0.

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