{
  "cveId": "CVE-2018-20673",
  "url": "https://patchblox.com/security/cve/CVE-2018-20673",
  "summary": "CVE-2018-20673 is fixed in 25 products on 1 platform, first by RHSA-2021:4386, released November 9, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "cpp: The gcc packages provide compilers for C, C\u002B\u002B, Java, Fortran, Objective C, and Ada 95 GNU, as well as related support...",
  "description": "The gcc packages provide compilers for C, C\u002B\u002B, Java, Fortran, Objective C, and Ada 95 GNU, as well as related support libraries.\n\nSecurity Fix(es):\n\n* libiberty: Integer overflow in demangle_template() function (CVE-2018-20673)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
  "published": "2021-11-09T00:00:00Z",
  "severity": "Low",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
  "epss": 0.01637,
  "epssPercentile": 0.76438,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "cpp",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cpp",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "cpp",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc",
      "release": "rocky 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RLSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-c\u002B\u002B",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-c\u002B\u002B",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-c\u002B\u002B",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gdb-plugin",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gdb-plugin",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gdb-plugin",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gfortran",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gfortran",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-gfortran",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-offload-nvptx",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-offload-nvptx",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-offload-nvptx",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-plugin-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gcc-plugin-devel",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "gcc-plugin-devel",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libasan",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libasan",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libatomic",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libatomic",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libatomic-static",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libatomic-static",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgcc",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgcc",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgfortran",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgfortran",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgomp",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgomp",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgomp-offload-nvptx",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgomp-offload-nvptx",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libitm",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libitm",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libitm-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libitm-devel",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "libitm-devel",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "liblsan",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "liblsan",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libquadmath",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libquadmath",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libquadmath-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libquadmath-devel",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "libquadmath-devel",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-devel",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-devel",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-docs",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-docs",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-docs",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-static",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-static",
      "release": "almalinux 8",
      "fixedVersion": "8.5.0-3.el8.alma",
      "fix": "ALSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4386",
      "released": "2021-11-09T09:16:05Z"
    },
    {
      "platform": "linux",
      "product": "libstdc\u002B\u002B-static",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtsan",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtsan",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libubsan",
      "release": "RHEL 8",
      "fixedVersion": "0:8.5.0-3.el8",
      "fix": "RHSA-2021:4386",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4386",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libubsan",
      "release": "ol 8",
      "fixedVersion": "0:8.5.0-3.0.2.el8",
      "fix": "ELSA-2021-4386",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4386",
      "released": "2021-11-16T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}