# CVE-2018-0493: libnet-remctl-perl: remctld in remctl before 3.14, when an attacker is authorized to execute acommand that uses the sudo option, has a us...

CVE-2018-0493 is fixed in 9 products on 1 platform, first by libnet-remctl-perl 3.13-1+deb9u1, released April 3, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-0493
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0246
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 3, 2018

## Description

remctld in remctl before 3.14, when an attacker is authorized to execute acommand that uses the sudo option, has a use-after-free that leads to adaemon crash, memory corruption, or arbitrary command execution.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libnet-remctl-perl Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [libnet-remctl-perl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnet-remctl-perl-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | libnet-remctl-perl Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [libnet-remctl-perl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libnet-remctl-perl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | libnet-remctl-perl Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [libnet-remctl-perl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libnet-remctl-perl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | libremctl1 Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [libremctl1 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libremctl1-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | libremctl1t64 Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [libremctl1t64 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libremctl1t64-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | libremctl1t64 Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [libremctl1t64 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libremctl1t64-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | php-remctl Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [php-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-php-remctl-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | php-remctl Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [php-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-php-remctl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | php-remctl Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [php-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-php-remctl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | python-remctl Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [python-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-remctl-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | python3-pyremctl Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [python3-pyremctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-pyremctl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | python3-pyremctl Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [python3-pyremctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-pyremctl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | remctl-client Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [remctl-client 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-remctl-client-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | remctl-client Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [remctl-client 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-remctl-client-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | remctl-client Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [remctl-client 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-remctl-client-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | remctl-server Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [remctl-server 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-remctl-server-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | remctl-server Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [remctl-server 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-remctl-server-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | remctl-server Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [remctl-server 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-remctl-server-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | ruby-remctl Ubuntu 18.04.6 LTS (bionic) | 3.13-1+deb9u1 | [ruby-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-remctl-3.13-1-deb9u1.md) | Apr 3, 2018 |
| Linux | ruby-remctl Ubuntu 24.10 (oracular) | 3.13-1+deb9u1 | [ruby-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ruby-remctl-3.13-1-deb9u1.md) | Jan 16, 2026 |
| Linux | ruby-remctl Ubuntu 25.04 (plucky) | 3.13-1+deb9u1 | [ruby-remctl 3.13-1+deb9u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-ruby-remctl-3.13-1-deb9u1.md) | Jan 16, 2026 |

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Data as of 2026-11-07T18:46:35Z 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

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