{
  "cveId": "CVE-2021-41990",
  "url": "https://patchblox.com/security/cve/CVE-2021-41990",
  "summary": "CVE-2021-41990 is fixed in 21 products on 1 platform, first by charon-cmd 5.6.2-1ubuntu2.7, released October 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libcharon-extauth-plugins: The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow viaa crafted certificate with an RSASSA-PSS s...",
  "description": "The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow viaa crafted certificate with an RSASSA-PSS signature. For example, this canbe triggered by an unrelated self-signed CA certificate sent by aninitiator. Remote code execution cannot occur.",
  "published": "2021-10-18T05:00:00Z",
  "severity": "Medium",
  "epss": 0.06915,
  "epssPercentile": 0.94132,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "charon-cmd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "charon-cmd 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-charon-cmd-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-cmd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "charon-cmd 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-charon-cmd-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-cmd",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-cmd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-charon-cmd-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-cmd",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-cmd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-charon-cmd-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "charon-cmd",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-cmd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-charon-cmd-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "charon-systemd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "charon-systemd 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-systemd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "charon-systemd 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-charon-systemd-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-systemd",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-systemd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-charon-systemd-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "charon-systemd",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-systemd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-charon-systemd-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "charon-systemd",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "charon-systemd 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-charon-systemd-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extauth-plugins",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "libcharon-extauth-plugins 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcharon-extauth-plugins-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extauth-plugins",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extauth-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcharon-extauth-plugins-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extauth-plugins",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extauth-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libcharon-extauth-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extauth-plugins",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extauth-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libcharon-extauth-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extra-plugins",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "libcharon-extra-plugins 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcharon-extra-plugins-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extra-plugins",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "libcharon-extra-plugins 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcharon-extra-plugins-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extra-plugins",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extra-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcharon-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extra-plugins",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extra-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libcharon-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-extra-plugins",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libcharon-extra-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libcharon-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-standard-plugins",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "libcharon-standard-plugins 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcharon-standard-plugins-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcharon-standard-plugins",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "libcharon-standard-plugins 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcharon-standard-plugins-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "libstrongswan 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libstrongswan-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "libstrongswan 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libstrongswan-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libstrongswan-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libstrongswan-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libstrongswan-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-extra-plugins",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "libstrongswan-extra-plugins 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libstrongswan-extra-plugins-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
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      "platform": "linux",
      "product": "libstrongswan-extra-plugins",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libstrongswan-extra-plugins-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
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      "platform": "linux",
      "product": "libstrongswan-extra-plugins",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libstrongswan-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-extra-plugins",
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      "fixedVersion": "5.9.1-1ubuntu3.1",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libstrongswan-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-extra-plugins",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan-extra-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libstrongswan-extra-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-standard-plugins",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "libstrongswan-standard-plugins 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libstrongswan-standard-plugins-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-standard-plugins",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "libstrongswan-standard-plugins 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libstrongswan-standard-plugins-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-standard-plugins",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan-standard-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libstrongswan-standard-plugins-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-standard-plugins",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan-standard-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libstrongswan-standard-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libstrongswan-standard-plugins",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "libstrongswan-standard-plugins 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libstrongswan-standard-plugins-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "strongswan",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "strongswan 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-strongswan-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "strongswan 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-strongswan-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-strongswan-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-strongswan-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "strongswan",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-strongswan-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-charon",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "fix": "strongswan-charon 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-strongswan-charon-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-charon",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "strongswan-charon 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-strongswan-charon-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-charon",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan-charon 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-strongswan-charon-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-charon",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan-charon 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-strongswan-charon-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-charon",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan-charon 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-strongswan-charon-5.9.1-1ubuntu3.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-libcharon",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.6.2-1ubuntu2.7",
      "fix": "strongswan-libcharon 5.6.2-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-strongswan-libcharon-5.6.2-1ubuntu2.7",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-libcharon",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.8.2-1ubuntu3.3",
      "fix": "strongswan-libcharon 5.8.2-1ubuntu3.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-strongswan-libcharon-5.8.2-1ubuntu3.3",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "strongswan-libcharon",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.9.1-1ubuntu3.1",
      "fix": "strongswan-libcharon 5.9.1-1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-strongswan-libcharon-5.9.1-1ubuntu3.1",
      "released": "2021-10-18T05:00:00Z"
    },
    {
      "platform": "linux",
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    {
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    {
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    {
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    },
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    },
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}