# CVE-2018-7727: zziplib-bin: An issue was discovered in ZZIPlib 0.13.68

CVE-2018-7727 is fixed in 2 products on 1 platform, first by libzzip-0-13 0.13.62-3.1ubuntu0.18.04.1+esm1, released June 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-7727
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0124
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 6, 2018

## Description

An issue was discovered in ZZIPlib 0.13.68. There is a memory leak triggered in the function zzip_mem_disk_new in memdisk.c, which will lead to a denial of service attack.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libzzip-0-13 Ubuntu 18.04.6 LTS (bionic) | 0.13.62-3.1ubuntu0.18.04.1+esm1 | [libzzip-0-13 0.13.62-3.1ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libzzip-0-13-0.13.62-3.1ubuntu0.18.04.1-esm1.md) | Jun 18, 2021 |
| Linux | libzzip-0-13 Ubuntu 20.04 LTS (focal) | 0.13.62-3.2ubuntu1.1 | [libzzip-0-13 0.13.62-3.2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libzzip-0-13-0.13.62-3.2ubuntu1.1.md) | Jun 18, 2021 |
| Linux | zziplib-bin Ubuntu 18.04.6 LTS (bionic) | 0.13.62-3.1ubuntu0.18.04.1+esm1 | [zziplib-bin 0.13.62-3.1ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-zziplib-bin-0.13.62-3.1ubuntu0.18.04.1-esm1.md) | Jun 18, 2021 |
| Linux | zziplib-bin Ubuntu 20.04 LTS (focal) | 0.13.62-3.2ubuntu1.1 | [zziplib-bin 0.13.62-3.2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-zziplib-bin-0.13.62-3.2ubuntu1.1.md) | Jun 18, 2021 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo