CVE-2020-13776 · cross-distro fix matrix

CVE-2020-13776: systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-13776 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

systemd→ fixed in246-2urgency: unimportant

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

Debian bookworm

Source: Debian Security Tracker

systemd→ fixed in246-2urgency: unimportant

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

Debian trixie

Source: Debian Security Tracker

systemd→ fixed in246-2urgency: unimportant

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

Are YOU affected by CVE-2020-13776?

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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