# CVE-2026-33845

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

## Description

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service.

## Key facts

- **CVE ID:** CVE-2026-33845
- **Published:** 2026-04-30
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-191

## Affected products

- `gnu:gnutls`
- `redhat:openshift_container_platform`
- `redhat:enterprise_linux`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33845

## Citation

> AI Analytics. CVE-2026-33845. Retrieved 2026-07-19 from https://api.ai-analytics.org/cve/CVE-2026-33845. Derived from NIST NVD. Licensed CC0.

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