{
  "fix": "RHSA-2025:9303",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-9303",
  "summary": "RHSA-2025:9303, released June 23, 2025, fixes 6 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 10 packages",
  "released": "2025-06-23T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-49177, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0044,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:9303",
  "appliesTo": [
    {
      "product": "xorg-x11-server-Xdmx",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xdmx",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xephyr",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xephyr",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xnest",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xnest",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xorg",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xorg",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xvfb",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xvfb",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xwayland",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xwayland",
      "release": "RHEL 9",
      "fixedVersion": "0:23.2.7-4.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xwayland-devel",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xwayland-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:23.2.7-4.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-common",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-common",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-devel",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    },
    {
      "product": "xorg-x11-server-source",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-source",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-31.el9_6",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-49177",
      "url": "https://patchblox.com/security/cve/CVE-2025-49177",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension\u0027s xfixessetclientdisconnectmode",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0044,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49176",
      "url": "https://patchblox.com/security/cve/CVE-2025-49176",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.00366,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49175",
      "url": "https://patchblox.com/security/cve/CVE-2025-49175",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering extension animated cursors",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00344,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49179",
      "url": "https://patchblox.com/security/cve/CVE-2025-49179",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49180",
      "url": "https://patchblox.com/security/cve/CVE-2025-49180",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49178",
      "url": "https://patchblox.com/security/cve/CVE-2025-49178",
      "title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00246,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}