CVE-2020-12872 · cross-distro fix matrix

CVE-2020-12872: yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-12872 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

erlang→ fixed in1:21.2.6+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y erlang

Debian bookworm

Source: Debian Security Tracker

erlang→ fixed in1:21.2.6+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y erlang

Debian trixie

Source: Debian Security Tracker

erlang→ fixed in1:21.2.6+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y erlang

Are YOU affected by CVE-2020-12872?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

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