# CVE-2019-9705: cron: Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption)...

CVE-2019-9705 is fixed in cron on 1 platform by cron 3.0pl1-128.1ubuntu1.1 (version 3.0pl1-128.1ubuntu1.1), released March 11, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-9705
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0037
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 11, 2019

## Description

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | cron Ubuntu 18.04.6 LTS (bionic) | 3.0pl1-128.1ubuntu1.1 | [cron 3.0pl1-128.1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cron-3.0pl1-128.1ubuntu1.1.md) | Mar 11, 2019 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo