# CVE-2020-14929: alpine: Alpine before 2.23 silently proceeds to use an insecure connection after a/tls is sent in certain circumstances invol...

CVE-2020-14929 is fixed in 3 products on 1 platform, first by alpine 2.21+dfsg1-1ubuntu0.1~esm1, released November 2, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-14929
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0187
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 19, 2020

## Description

Alpine before 2.23 silently proceeds to use an insecure connection after a/tls is sent in certain circumstances involving PREAUTH, which is a lesssecure behavior than the alternative of closing the connection and lettingthe user decide what they would like to do.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | alpine Ubuntu 18.04.6 LTS (bionic) | 2.21+dfsg1-1ubuntu0.1~esm1 | [alpine 2.21+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-alpine-2.21-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | alpine Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | [alpine 2.22+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-alpine-2.22-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | alpine Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | [alpine 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-alpine-2.23-dfsg1-1.md) | Jan 16, 2026 |
| Linux | alpine Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | [alpine 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-alpine-2.23-dfsg1-1.md) | Jan 16, 2026 |
| Linux | alpine-pico Ubuntu 18.04.6 LTS (bionic) | 2.21+dfsg1-1ubuntu0.1~esm1 | [alpine-pico 2.21+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-alpine-pico-2.21-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | alpine-pico Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | [alpine-pico 2.22+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-alpine-pico-2.22-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | alpine-pico Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | [alpine-pico 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-alpine-pico-2.23-dfsg1-1.md) | Jan 16, 2026 |
| Linux | alpine-pico Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | [alpine-pico 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-alpine-pico-2.23-dfsg1-1.md) | Jan 16, 2026 |
| Linux | pilot Ubuntu 18.04.6 LTS (bionic) | 2.21+dfsg1-1ubuntu0.1~esm1 | [pilot 2.21+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pilot-2.21-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | pilot Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | [pilot 2.22+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pilot-2.22-dfsg1-1ubuntu0.1-esm1.md) | Nov 2, 2022 |
| Linux | pilot Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | [pilot 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-pilot-2.23-dfsg1-1.md) | Jan 16, 2026 |
| Linux | pilot Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | [pilot 2.23+dfsg1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-pilot-2.23-dfsg1-1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z 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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