# CVE-2026-5435

> Vulnerability · severity: **HIGH** (CVSS 7.3).

## Description

The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records.

## Key facts

- **CVE ID:** CVE-2026-5435
- **Published:** 2026-04-28
- **CVSS severity:** HIGH
- **CVSS base score:** 7.3
- **CWE codes:** CWE-787

## Affected products

- `gnu:glibc`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5435

## Citation

> AI Analytics. CVE-2026-5435. Retrieved 2026-07-20 from https://api.ai-analytics.org/cve/CVE-2026-5435. Derived from NIST NVD. Licensed CC0.

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