{
  "fix": "ALAS2023-2026-1747",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1747",
  "summary": "ALAS2023-2026-1747, released May 25, 2026, fixes 19 CVEs in amazon-cloudwatch-agent (version 1.300066.2-2.amzn2023). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "amazon-cloudwatch-agent security update",
  "released": "2026-05-25T09:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-27143, rated Critical",
  "supported": true,
  "cveCount": 19,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01163,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1747.html",
  "appliesTo": [
    {
      "product": "amazon-cloudwatch-agent",
      "productUrl": "https://patchblox.com/security/product/linux/amazon-cloudwatch-agent",
      "release": "amzn 2023",
      "fixedVersion": "1.300066.2-2.amzn2023",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-27143",
      "url": "https://patchblox.com/security/cve/CVE-2026-27143",
      "title": "Missing bound checks can lead to memory corruption in safe Go in cmd/compile",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00545,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-41602",
      "url": "https://patchblox.com/security/cve/CVE-2026-41602",
      "title": "thrift: Integer Overflow or Wraparound vulnerability in Apache Thrift TFramedTransport Go language implementation  This issue...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.01163,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33811",
      "url": "https://patchblox.com/security/cve/CVE-2026-33811",
      "title": "Crash when handling long CNAME response in net",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00875,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33814",
      "url": "https://patchblox.com/security/cve/CVE-2026-33814",
      "title": "Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0084,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42154",
      "url": "https://patchblox.com/security/cve/CVE-2026-42154",
      "title": "Prometheus: remote read endpoint allows denial of service via crafted snappy payload",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00813,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42499",
      "url": "https://patchblox.com/security/cve/CVE-2026-42499",
      "title": "Quadratic string concatenation in consumePhrase in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00798,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39820",
      "url": "https://patchblox.com/security/cve/CVE-2026-39820",
      "title": "Quadratic string concatentation in consumeComment in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00784,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32283",
      "url": "https://patchblox.com/security/cve/CVE-2026-32283",
      "title": "Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00632,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32280",
      "url": "https://patchblox.com/security/cve/CVE-2026-32280",
      "title": "Unexpected work during chain building in crypto/x509",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00626,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32287",
      "url": "https://patchblox.com/security/cve/CVE-2026-32287",
      "title": "golang-github-antchfx-xpath: Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CP...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00539,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39825",
      "url": "https://patchblox.com/security/cve/CVE-2026-39825",
      "title": "ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39826",
      "url": "https://patchblox.com/security/cve/CVE-2026-39826",
      "title": "Escaper bypass leads to XSS in html/template",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32281",
      "url": "https://patchblox.com/security/cve/CVE-2026-32281",
      "title": "Inefficient policy validation in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00361,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39823",
      "url": "https://patchblox.com/security/cve/CVE-2026-39823",
      "title": "Bypass of meta content URL escaping causes XSS in html/template",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32282",
      "url": "https://patchblox.com/security/cve/CVE-2026-32282",
      "title": "TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00297,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27144",
      "url": "https://patchblox.com/security/cve/CVE-2026-27144",
      "title": "Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile",
      "priority": "High",
      "severity": "Important",
      "cvss": 9,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32289",
      "url": "https://patchblox.com/security/cve/CVE-2026-32289",
      "title": "JsBraceDepth Context Tracking Bugs (XSS) in html/template",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32288",
      "url": "https://patchblox.com/security/cve/CVE-2026-32288",
      "title": "Unbounded allocation for old GNU sparse in archive/tar",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39882",
      "url": "https://patchblox.com/security/cve/CVE-2026-39882",
      "title": "OpenTelemetry-Go OTLP HTTP exporters read unbounded HTTP response bodies",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.00199,
      "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"
  }
}