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CVE-2019-10155 · cross-distro fix matrix

CVE-2019-10155: The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions

Affects 8 Linux releases across 11 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-10155 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-6urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan
  • strongswan→ fixed in5.1.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y strongswan

Debian bookworm

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-6urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan
  • strongswan→ fixed in5.1.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y strongswan

Debian trixie

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-6urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan
  • strongswan→ fixed in5.1.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y strongswan

Alpine v3.20

Source: Alpine secdb

  • libreswan→ fixed in3.29-r0
    apk update && apk add --upgrade libreswan

Alpine v3.21

Source: Alpine secdb

  • libreswan→ fixed in3.29-r0
    apk update && apk add --upgrade libreswan

Alpine edge

Source: Alpine secdb

  • libreswan→ fixed in3.29-r0
    apk update && apk add --upgrade libreswan

Alpine v3.18

Source: Alpine secdb

  • libreswan→ fixed in3.29-r0
    apk update && apk add --upgrade libreswan

Alpine v3.19

Source: Alpine secdb

  • libreswan→ fixed in3.29-r0
    apk update && apk add --upgrade libreswan
Are YOU affected by CVE-2019-10155?

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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