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CVE-2026-2219 · cross-distro fix matrix

CVE-2026-2219: Yashashree Gund discovered that the dpkg dpkg-deb tool incorrectly handled

Affects 4 Linux releases across 12 (distro × package) combinations. First disclosed: 2026-05-07.

Fix per ecosystem

Each block below is a distro release where CVE-2026-2219 has a known fix. Run the listed command on that distro to remediate.

Ubuntu noble

Source: Ubuntu USN

  • dpkg→ fixed in1.22.6ubuntu6.6USN-8249-1
    sudo apt-get install --only-upgrade -y dpkg
  • dpkg-dev→ fixed in1.22.6ubuntu6.6USN-8249-1
    sudo apt-get install --only-upgrade -y dpkg-dev
  • dselect→ fixed in1.22.6ubuntu6.6USN-8249-1
    sudo apt-get install --only-upgrade -y dselect
  • libdpkg-dev→ fixed in1.22.6ubuntu6.6USN-8249-1
    sudo apt-get install --only-upgrade -y libdpkg-dev
  • libdpkg-perl→ fixed in1.22.6ubuntu6.6USN-8249-1
    sudo apt-get install --only-upgrade -y libdpkg-perl

Ubuntu questing

Source: Ubuntu USN

  • dpkg→ fixed in1.22.21ubuntu3.2USN-8249-1
    sudo apt-get install --only-upgrade -y dpkg
  • dpkg-dev→ fixed in1.22.21ubuntu3.2USN-8249-1
    sudo apt-get install --only-upgrade -y dpkg-dev
  • dselect→ fixed in1.22.21ubuntu3.2USN-8249-1
    sudo apt-get install --only-upgrade -y dselect
  • libdpkg-dev→ fixed in1.22.21ubuntu3.2USN-8249-1
    sudo apt-get install --only-upgrade -y libdpkg-dev
  • libdpkg-perl→ fixed in1.22.21ubuntu3.2USN-8249-1
    sudo apt-get install --only-upgrade -y libdpkg-perl

Debian bookworm

Source: Debian Security Tracker

  • dpkg→ fixed in1.21.23urgency: not yet assigned
    sudo apt-get install --only-upgrade -y dpkg

Debian trixie

Source: Debian Security Tracker

  • dpkg→ fixed in1.22.22urgency: not yet assigned
    sudo apt-get install --only-upgrade -y dpkg
Are YOU affected by CVE-2026-2219?

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