{
  "fix": "ALAS2023-2026-2007",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2007",
  "summary": "ALAS2023-2026-2007, released August 3, 2026, fixes 4 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 4 packages",
  "released": "2026-08-03T09:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-57075, rated Critical",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00632,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-2007.html",
  "appliesTo": [
    {
      "product": "perl-YAML-Syck",
      "productUrl": "https://patchblox.com/security/product/linux/perl-yaml-syck",
      "release": "amzn 2023",
      "fixedVersion": "1.37-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "perl-YAML-Syck-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/perl-yaml-syck-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.37-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "perl-YAML-Syck-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/perl-yaml-syck-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.37-1.amzn2023.0.4",
      "supported": true
    },
    {
      "product": "perl-YAML-Syck-tests",
      "productUrl": "https://patchblox.com/security/product/linux/perl-yaml-syck-tests",
      "release": "amzn 2023",
      "fixedVersion": "1.37-1.amzn2023.0.4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-57075",
      "url": "https://patchblox.com/security/cve/CVE-2026-57075",
      "title": "libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_bas...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00632,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57077",
      "url": "https://patchblox.com/security/cve/CVE-2026-57077",
      "title": "libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len",
      "priority": "High",
      "severity": "high",
      "cvss": 7.7,
      "epss": 0.00188,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-13713",
      "url": "https://patchblox.com/security/cve/CVE-2026-13713",
      "title": "libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still...",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57076",
      "url": "https://patchblox.com/security/cve/CVE-2026-57076",
      "title": "libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table ke...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}