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.
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
| 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 | Nov 2, 2022 |
| alpine · Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | alpine 2.22+dfsg1-1ubuntu0.1~esm1 | Nov 2, 2022 |
| alpine · Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | alpine 2.23+dfsg1-1 | Jan 16, 2026 |
| alpine · Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | alpine 2.23+dfsg1-1 | Jan 16, 2026 |
| alpine-pico · Ubuntu 18.04.6 LTS (bionic) | 2.21+dfsg1-1ubuntu0.1~esm1 | alpine-pico 2.21+dfsg1-1ubuntu0.1~esm1 | Nov 2, 2022 |
| alpine-pico · Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | alpine-pico 2.22+dfsg1-1ubuntu0.1~esm1 | Nov 2, 2022 |
| alpine-pico · Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | alpine-pico 2.23+dfsg1-1 | Jan 16, 2026 |
| alpine-pico · Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | alpine-pico 2.23+dfsg1-1 | Jan 16, 2026 |
| pilot · Ubuntu 18.04.6 LTS (bionic) | 2.21+dfsg1-1ubuntu0.1~esm1 | pilot 2.21+dfsg1-1ubuntu0.1~esm1 | Nov 2, 2022 |
| pilot · Ubuntu 20.04 LTS (focal) | 2.22+dfsg1-1ubuntu0.1~esm1 | pilot 2.22+dfsg1-1ubuntu0.1~esm1 | Nov 2, 2022 |
| pilot · Ubuntu 24.10 (oracular) | 2.23+dfsg1-1 | pilot 2.23+dfsg1-1 | Jan 16, 2026 |
| pilot · Ubuntu 25.04 (plucky) | 2.23+dfsg1-1 | pilot 2.23+dfsg1-1 | Jan 16, 2026 |
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