# CVE-2018-0501: apt: The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 m...

CVE-2018-0501 is fixed in 5 products on 1 platform, first by apt 1.6.3ubuntu0.1, released August 19, 2018. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-0501
- Priority: High
- CVSS: n/a (High)
- EPSS: 0.0095
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 19, 2018

## Description

The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | apt Ubuntu 18.04.6 LTS (bionic) | 1.6.3ubuntu0.1 | [apt 1.6.3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apt-1.6.3ubuntu0.1.md) | Aug 19, 2018 |
| Linux | apt-transport-https Ubuntu 18.04.6 LTS (bionic) | 1.6.3ubuntu0.1 | [apt-transport-https 1.6.3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apt-transport-https-1.6.3ubuntu0.1.md) | Aug 19, 2018 |
| Linux | apt-utils Ubuntu 18.04.6 LTS (bionic) | 1.6.3ubuntu0.1 | [apt-utils 1.6.3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apt-utils-1.6.3ubuntu0.1.md) | Aug 19, 2018 |
| Linux | libapt-inst2.0 Ubuntu 18.04.6 LTS (bionic) | 1.6.3ubuntu0.1 | [libapt-inst2.0 1.6.3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libapt-inst2.0-1.6.3ubuntu0.1.md) | Aug 19, 2018 |
| Linux | libapt-pkg5.0 Ubuntu 18.04.6 LTS (bionic) | 1.6.3ubuntu0.1 | [libapt-pkg5.0 1.6.3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libapt-pkg5.0-1.6.3ubuntu0.1.md) | Aug 19, 2018 |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo