CVE-2018-15864 · cross-distro fix matrix

CVE-2018-15864: Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because a map access attempt can occur for a map that was never created.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-15864 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libxkbcommon→ fixed in0.8.2-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

libxkbcommon→ fixed in0.8.2-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

libxkbcommon→ fixed in0.8.2-1urgency: low

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

Are YOU affected by CVE-2018-15864?

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

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