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CVE-2023-38403 · cross-distro fix matrix

CVE-2023-38403: iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-38403 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • iperf3→ fixed in3.9-1+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y iperf3

Debian bookworm

Source: Debian Security Tracker

  • iperf3→ fixed in3.12-1+deb12u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y iperf3

Debian trixie

Source: Debian Security Tracker

  • iperf3→ fixed in3.14-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y iperf3
Are YOU affected by CVE-2023-38403?

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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