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CVE-2018-18956 · cross-distro fix matrix

CVE-2018-18956: The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-18956 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • suricata→ fixed in1:4.0.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian bookworm

Source: Debian Security Tracker

  • suricata→ fixed in1:4.0.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian trixie

Source: Debian Security Tracker

  • suricata→ fixed in1:4.0.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata
Are YOU affected by CVE-2018-18956?

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