# CVE-2026-59783: zabbix: The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input...

CVE-2026-59783 is fixed in zabbix on 1 platform by DEBIAN-CVE-2026-59783 (version 1:7.0.29+dfsg-1), released October 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-59783
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 5, 2026

## Description

The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | zabbix Debian 14 | 1:7.0.29+dfsg-1 | [DEBIAN-CVE-2026-59783](https://patchblox.com/security/data/fix/linux/debian-cve-2026-59783.md) | Oct 6, 2026 |

---

Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.