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CVE-2026-41990 · cross-distro fix matrix

CVE-2026-41990: It was discovered that Libgcrypt incorrectly handled crafted ECDH

Affects 4 Linux releases across 18 (distro × package) combinations. First disclosed: 2026-05-27.

Fix per ecosystem

Each block below is a distro release where CVE-2026-41990 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

  • libgcrypt20→ fixed in1.9.4-3ubuntu3.2USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20
  • libgcrypt-mingw-w64-dev→ fixed in1.9.4-3ubuntu3.2USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-mingw-w64-dev
  • libgcrypt20-dev→ fixed in1.9.4-3ubuntu3.2USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-dev
  • libgcrypt20-doc→ fixed in1.9.4-3ubuntu3.2USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-doc

Ubuntu noble

Source: Ubuntu USN

  • libgcrypt20→ fixed in1.10.3-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20
  • libgcrypt-mingw-w64-dev→ fixed in1.10.3-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-mingw-w64-dev
  • libgcrypt20-dev→ fixed in1.10.3-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-dev
  • libgcrypt20-doc→ fixed in1.10.3-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-doc

Ubuntu questing

Source: Ubuntu USN

  • libgcrypt20→ fixed in1.11.0-7ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20
  • libgcrypt-bin→ fixed in1.11.0-7ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-bin
  • libgcrypt-mingw-w64-dev→ fixed in1.11.0-7ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-mingw-w64-dev
  • libgcrypt20-dev→ fixed in1.11.0-7ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-dev
  • libgcrypt20-doc→ fixed in1.11.0-7ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-doc

Ubuntu resolute

Source: Ubuntu USN

  • libgcrypt20→ fixed in1.12.0-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20
  • libgcrypt-bin→ fixed in1.12.0-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-bin
  • libgcrypt-mingw-w64-dev→ fixed in1.12.0-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt-mingw-w64-dev
  • libgcrypt20-dev→ fixed in1.12.0-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-dev
  • libgcrypt20-doc→ fixed in1.12.0-2ubuntu0.1USN-8319-1
    sudo apt-get install --only-upgrade -y libgcrypt20-doc
Are YOU affected by CVE-2026-41990?

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