# CVE-2018-20721: liburiparser1: URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incom...

CVE-2018-20721 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-2018-20721
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0205
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 16, 2019

## Description

URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.

## 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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