# CVE-2018-18408: tcpreplay: A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1

CVE-2018-18408 is fixed in tcpreplay on 1 platform by tcpreplay 4.2.6-1ubuntu0.1~esm2 (version 4.2.6-1ubuntu0.1~esm2), released December 28, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-18408
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0225
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 16, 2018

## Description

A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the function post_args() at tcpbridge.c, causing a denial of service or possibly unspecified other impact.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | tcpreplay Ubuntu 18.04.6 LTS (bionic) | 4.2.6-1ubuntu0.1~esm2 | [tcpreplay 4.2.6-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tcpreplay-4.2.6-1ubuntu0.1-esm2.md) | Dec 28, 2018 |

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