# CVE-2018-19198: liburiparser1: An issue was discovered in uriparser before 0.9.0

CVE-2018-19198 is fixed in liburiparser1 on 1 platform by liburiparser1 0.8.4-1+deb9u2build0.18.04.1 (version 0.8.4-1+deb9u2build0.18.04.1), released January 16, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-19198
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0237
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 12, 2018

## Description

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or uriComposeQueryEx* function because the '&' character is mishandled in certain contexts.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | liburiparser1 Ubuntu 18.04.6 LTS (bionic) | 0.8.4-1+deb9u2build0.18.04.1 | [liburiparser1 0.8.4-1+deb9u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liburiparser1-0.8.4-1-deb9u2build0.18.04.1.md) | Jan 16, 2019 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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