# CVE-2019-9084: hoteldruid: In Hoteldruid before 2.3.1, a division by zero was discovered in$num_tabelle in tab_tariffe.php (aka the numtariffa1...

CVE-2019-9084 is fixed in hoteldruid on 1 platform, first by hoteldruid 2.3.2-1, released June 24, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-9084
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0171
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 7, 2019

## Description

In Hoteldruid before 2.3.1, a division by zero was discovered in$num_tabelle in tab_tariffe.php (aka the numtariffa1 parameter) due to themishandling of non-numeric values, as demonstrated by the/tab_tariffe.php?anno=[YEAR]&numtariffa1=1a URI. It could allow anadministrator to conduct remote denial of service (disrupting certainbusiness functions of the product).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | hoteldruid Ubuntu 20.04 LTS (focal) | 2.3.2-1 | [hoteldruid 2.3.2-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-hoteldruid-2.3.2-1.md) | Jun 24, 2019 |
| Linux | hoteldruid Ubuntu 24.10 (oracular) | 2.3.2-1 | [hoteldruid 2.3.2-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-hoteldruid-2.3.2-1.md) | Jan 16, 2026 |
| Linux | hoteldruid Ubuntu 25.04 (plucky) | 2.3.2-1 | [hoteldruid 2.3.2-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-hoteldruid-2.3.2-1.md) | Jan 16, 2026 |

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