{
  "fix": "ALAS2023-2026-3151",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3151",
  "summary": "ALAS2023-2026-3151, released November 7, 2026, fixes 22 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 8 packages",
  "released": "2026-11-07T01:06:52Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-65905, rated Critical",
  "supported": true,
  "cveCount": 22,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00755,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-3151.html",
  "appliesTo": [
    {
      "product": "tomcat11",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-admin-webapps",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-admin-webapps",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-docs-webapp",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-docs-webapp",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-el-6.0-api",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-el-6.0-api",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-jsp-4.0-api",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-jsp-4.0-api",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-lib",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-lib",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-servlet-6.1-api",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-servlet-6.1-api",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "tomcat11-webapps",
      "productUrl": "https://patchblox.com/security/product/linux/tomcat11-webapps",
      "release": "amzn 2023",
      "fixedVersion": "1:11.0.26-1.amzn2023.0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-65905",
      "url": "https://patchblox.com/security/cve/CVE-2026-65905",
      "title": "tomcat: Apache Tomcat: Limited replay attack possible with DIGEST authentication (bsc#1276896).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00755,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-65637",
      "url": "https://patchblox.com/security/cve/CVE-2026-65637",
      "title": "tomcat: Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - fix incomplete (bsc#1276895).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00751,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-65182",
      "url": "https://patchblox.com/security/cve/CVE-2026-65182",
      "title": "tomcat: Apache Tomcat: Bypass longest prefix security constraint (bsc#1276893).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00654,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68525",
      "url": "https://patchblox.com/security/cve/CVE-2026-68525",
      "title": "tomcat: Apache Tomcat: Redirect after FORM auth may bypass method specific constraints (bsc#1276899).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00643,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-76183",
      "url": "https://patchblox.com/security/cve/CVE-2026-76183",
      "title": "libtcnative-1-0: security constraints for any WebSocket endpoint can be bypassed (bsc#1282629).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00566,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86248",
      "url": "https://patchblox.com/security/cve/CVE-2026-86248",
      "title": "libtcnative-1-0: CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00496,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86350",
      "url": "https://patchblox.com/security/cve/CVE-2026-86350",
      "title": "libtcnative-1-0: HTTP/2 requests can cause request header mix-ups and HTTP request smuggling (bsc#1282787).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00483,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68763",
      "url": "https://patchblox.com/security/cve/CVE-2026-68763",
      "title": "tomcat: Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00745,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-65927",
      "url": "https://patchblox.com/security/cve/CVE-2026-65927",
      "title": "tomcat: Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00684,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-77791",
      "url": "https://patchblox.com/security/cve/CVE-2026-77791",
      "title": "libtcnative-1-0: uncontrolled resource consumption when sending WebSocket close message enabled a DoS attack",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00679,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-87022",
      "url": "https://patchblox.com/security/cve/CVE-2026-87022",
      "title": "libtcnative-1-0: WebSocket message smuggling when per-message-deflate is used (bsc#1282581).",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0054,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75973",
      "url": "https://patchblox.com/security/cve/CVE-2026-75973",
      "title": "libtcnative-1-0: improper authentication when Jakarta authentication is configured with \u0060SimpleAuthConfigProvider\u0060",
      "priority": "High",
      "severity": "high",
      "cvss": 7.3,
      "epss": 0.00518,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78437",
      "url": "https://patchblox.com/security/cve/CVE-2026-78437",
      "title": "libtcnative-1-0: incomplete cleanup allows a malformed request to potentially cause requests from another user to fail",
      "priority": "High",
      "severity": "high",
      "cvss": 7.3,
      "epss": 0.00511,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78383",
      "url": "https://patchblox.com/security/cve/CVE-2026-78383",
      "title": "libtcnative-1-0: allocation of resources without limits or throttling allows an unauthenticated AJP request to pin an",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-77762",
      "url": "https://patchblox.com/security/cve/CVE-2026-77762",
      "title": "libtcnative-1-0: stale HPACK emitter injects trailers fields into another HTTP/2 request (bsc#1282599).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00464,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68569",
      "url": "https://patchblox.com/security/cve/CVE-2026-68569",
      "title": "tomcat: Apache Tomcat: Principal lookup can fail open in some cases (bsc#1276900).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.0046,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66422",
      "url": "https://patchblox.com/security/cve/CVE-2026-66422",
      "title": "tomcat: Apache Tomcat: Servlet role references can bypass declarative role constraints (bsc#1276898).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00431,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79677",
      "url": "https://patchblox.com/security/cve/CVE-2026-79677",
      "title": "libtcnative-1-0: missing release of resource after effective lifetime and comparison using wrong factors allows for",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-65183",
      "url": "https://patchblox.com/security/cve/CVE-2026-65183",
      "title": "tomcat: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets (bsc#1276894).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00398,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-77756",
      "url": "https://patchblox.com/security/cve/CVE-2026-77756",
      "title": "libtcnative-1-0: inconsistent interpretation of HTTP requests allows an attacker to cause one request from another user",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.7,
      "epss": 0.00526,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-73180",
      "url": "https://patchblox.com/security/cve/CVE-2026-73180",
      "title": "tomcat: Apache Tomcat: Authenticated WebSocket session survives end of HTTP session (bsc#1276902).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.8,
      "epss": 0.00441,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-73581",
      "url": "https://patchblox.com/security/cve/CVE-2026-73581",
      "title": "libtcnative-1-0: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00159,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}