The vulnerability exists in the interaction between OpenSSH, the code library implementing SSH connections, and musl, a lightweight alternative to the libc library that, unlike most other Linux distributions, is used in Alpine.

Beside Alpine Linux , musl is used e.g. in Chimera Linux and OpenWrt (and it’s fork LEDE ?) and possibly Void and Gentoo.

Yesterday we were considering alpine because of the amount of vulnerabilities in gcc