{
  "fix": "ALAS2023-2026-1586",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1586",
  "summary": "ALAS2023-2026-1586, released April 13, 2026, fixes 5 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 11 packages",
  "released": "2026-04-13T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-31790, high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01049,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1586.html",
  "appliesTo": [
    {
      "product": "openssl",
      "productUrl": "https://patchblox.com/security/product/linux/openssl",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-devel",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-fips-provider-latest",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-fips-provider-latest",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-fips-provider-latest-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-fips-provider-latest-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-libs",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-libs",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-libs-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-perl",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-perl",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-snapsafe-libs",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-snapsafe-libs",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "openssl-snapsafe-libs-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/openssl-snapsafe-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:3.5.5-1.amzn2023.0.4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-31790",
      "url": "https://patchblox.com/security/cve/CVE-2026-31790",
      "title": "Incorrect Failure Handling in RSA KEM RSASVE Encapsulation",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.01049,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-28388",
      "url": "https://patchblox.com/security/cve/CVE-2026-28388",
      "title": "NULL Pointer Dereference When Processing a Delta CRL",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00919,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-28389",
      "url": "https://patchblox.com/security/cve/CVE-2026-28389",
      "title": "Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00836,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-28390",
      "url": "https://patchblox.com/security/cve/CVE-2026-28390",
      "title": "Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00836,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-28387",
      "url": "https://patchblox.com/security/cve/CVE-2026-28387",
      "title": "Potential Use-after-free in DANE Client Code",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.1,
      "epss": 0.00697,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}