{
  "fix": "ALSA-2021:4358",
  "url": "https://patchblox.com/security/fix/linux/alsa-2021-4358",
  "summary": "ALSA-2021:4358, released November 9, 2021, fixes 3 CVEs across 6 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 6 packages",
  "released": "2021-11-09T09:08:59Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-33574, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03522,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/ALSA-2021:4358",
  "appliesTo": [
    {
      "product": "compat-libpthread-nonshared",
      "productUrl": "https://patchblox.com/security/product/linux/compat-libpthread-nonshared",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    },
    {
      "product": "glibc-benchtests",
      "productUrl": "https://patchblox.com/security/product/linux/glibc-benchtests",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    },
    {
      "product": "glibc-nss-devel",
      "productUrl": "https://patchblox.com/security/product/linux/glibc-nss-devel",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    },
    {
      "product": "glibc-static",
      "productUrl": "https://patchblox.com/security/product/linux/glibc-static",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    },
    {
      "product": "glibc-utils",
      "productUrl": "https://patchblox.com/security/product/linux/glibc-utils",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    },
    {
      "product": "nss_hesiod",
      "productUrl": "https://patchblox.com/security/product/linux/nss-hesiod",
      "release": "almalinux 8",
      "fixedVersion": "2.28-164.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-33574",
      "url": "https://patchblox.com/security/cve/CVE-2021-33574",
      "title": "compat-libpthread-nonshared: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math librar...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.03522,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-35942",
      "url": "https://patchblox.com/security/cve/CVE-2021-35942",
      "title": "glibc-langpack-ru: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math librar...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.02753,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-27645",
      "url": "https://patchblox.com/security/cve/CVE-2021-27645",
      "title": "glibc-langpack-sr: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math librar...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00385,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}