CVE-2019-13351 · cross-distro fix matrix

CVE-2019-13351: posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (as distributed with alsa-plugins 1.1.7 and later) has a "double file descriptor close" issue during a failed connection attempt when jackd2 is not running. Exploitation success depends on multithreaded timing of that double close, which

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-13351 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

jackd2→ fixed in1.9.14~dfsg-0.1urgency: low

sudo apt-get install --only-upgrade -y jackd2

Debian bookworm

Source: Debian Security Tracker

jackd2→ fixed in1.9.14~dfsg-0.1urgency: low

sudo apt-get install --only-upgrade -y jackd2

Debian trixie

Source: Debian Security Tracker

jackd2→ fixed in1.9.14~dfsg-0.1urgency: low

sudo apt-get install --only-upgrade -y jackd2

Are YOU affected by CVE-2019-13351?

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.

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