# ELSA-2021-4153: Security update for 2 packages

ELSA-2021-4153, released November 16, 2021, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/elsa-2021-4153
- Platform: Linux
- Released: Nov 16, 2021
- Priority: Routine (Closes CVE-2021-3448)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2021-4153.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [dnsmasq](https://patchblox.com/security/data/product/linux/dnsmasq.md) | ol 8 | 0:2.79-19.el8 |
| [dnsmasq-utils](https://patchblox.com/security/data/product/linux/dnsmasq-utils.md) | ol 8 | 0:2.79-19.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-3448](https://patchblox.com/security/data/cve/CVE-2021-3448.md) | Routine | dnsmasq: A flaw was found in dnsmasq in versions before 2.85 | 4.0 | 0.0228 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo