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CVE-2026-42046 · cross-distro fix matrix

CVE-2026-42046: It was discovered that libcaca incorrectly handled certain malformed files.

Affects 4 Linux releases across 16 (distro × package) combinations. First disclosed: 2026-05-11.

CVSS v3:HIGH · 7.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-42046 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

  • libcaca→ fixed in0.99.beta19-2.2ubuntu4.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca
  • caca-utils→ fixed in0.99.beta19-2.2ubuntu4.2USN-8318-1
    sudo apt-get install --only-upgrade -y caca-utils
  • libcaca-dev→ fixed in0.99.beta19-2.2ubuntu4.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca-dev
  • libcaca0→ fixed in0.99.beta19-2.2ubuntu4.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca0

Ubuntu noble

Source: Ubuntu USN

  • libcaca→ fixed in0.99.beta20-4ubuntu0.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca
  • caca-utils→ fixed in0.99.beta20-4ubuntu0.2USN-8318-1
    sudo apt-get install --only-upgrade -y caca-utils
  • libcaca-dev→ fixed in0.99.beta20-4ubuntu0.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca-dev
  • libcaca0→ fixed in0.99.beta20-4ubuntu0.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca0

Ubuntu questing

Source: Ubuntu USN

  • libcaca→ fixed in0.99.beta20-5ubuntu0.25.10.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca
  • caca-utils→ fixed in0.99.beta20-5ubuntu0.25.10.2USN-8318-1
    sudo apt-get install --only-upgrade -y caca-utils
  • libcaca-dev→ fixed in0.99.beta20-5ubuntu0.25.10.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca-dev
  • libcaca0→ fixed in0.99.beta20-5ubuntu0.25.10.2USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca0

Ubuntu resolute

Source: Ubuntu USN

  • libcaca→ fixed in0.99.beta20-6ubuntu2.1USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca
  • caca-utils→ fixed in0.99.beta20-6ubuntu2.1USN-8318-1
    sudo apt-get install --only-upgrade -y caca-utils
  • libcaca-dev→ fixed in0.99.beta20-6ubuntu2.1USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca-dev
  • libcaca0→ fixed in0.99.beta20-6ubuntu2.1USN-8318-1
    sudo apt-get install --only-upgrade -y libcaca0
Are YOU affected by CVE-2026-42046?

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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