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CVE-2019-18792 · cross-distro fix matrix

CVE-2019-18792: An issue was discovered in Suricata 5.0.0. It is possible to bypass/evade any tcp based signature by overlapping a TCP segment with a fake FIN packet. The fake FIN packet is injected just before the PUSH ACK packet we want to bypass. The PUSH ACK packet (containing the data) will be ignored by Suric

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-18792 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian bookworm

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian trixie

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata
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