{
  "fix": "RHSA-2022:0951",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0951",
  "summary": "RHSA-2022:0951, released March 16, 2022, fixes 12 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 2 packages",
  "released": "2022-03-16T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-25236, high severity",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.35271,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2022:0951",
  "appliesTo": [
    {
      "product": "expat",
      "productUrl": "https://patchblox.com/security/product/linux/expat",
      "release": "RHEL 8",
      "fixedVersion": "0:2.2.5-4.el8_5.3",
      "supported": true
    },
    {
      "product": "expat-devel",
      "productUrl": "https://patchblox.com/security/product/linux/expat-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.2.5-4.el8_5.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-25236",
      "url": "https://patchblox.com/security/cve/CVE-2022-25236",
      "title": "libxmltok1: xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namesp...",
      "priority": "High",
      "severity": "High",
      "cvss": 9.8,
      "epss": 0.35271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22822",
      "url": "https://patchblox.com/security/cve/CVE-2022-22822",
      "title": "xul-ext-lightning: addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.0548,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-23852",
      "url": "https://patchblox.com/security/cve/CVE-2022-23852",
      "title": "expat: Expat (aka libexpat) before 2.4.4 has a signed integer overflow inXML_GetBuffer, for configurations with a nonzero XM...",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.05083,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-25235",
      "url": "https://patchblox.com/security/cve/CVE-2022-25235",
      "title": "libxmltok1: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a...",
      "priority": "High",
      "severity": "High",
      "cvss": 9.8,
      "epss": 0.04955,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-25315",
      "url": "https://patchblox.com/security/cve/CVE-2022-25315",
      "title": "expat: In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.04821,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-45960",
      "url": "https://patchblox.com/security/cve/CVE-2021-45960",
      "title": "expat: In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) placesin the storeAtts function in xmlparse.c can...",
      "priority": "High",
      "severity": "Low",
      "cvss": 9.8,
      "epss": 0.04672,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-46143",
      "url": "https://patchblox.com/security/cve/CVE-2021-46143",
      "title": "expat: In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integeroverflow exists for m_groupSize.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.04465,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22823",
      "url": "https://patchblox.com/security/cve/CVE-2022-22823",
      "title": "thunderbird-mozsymbols: build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.03866,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22824",
      "url": "https://patchblox.com/security/cve/CVE-2022-22824",
      "title": "expat: defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.03866,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22826",
      "url": "https://patchblox.com/security/cve/CVE-2022-22826",
      "title": "libxmltok1: nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.03182,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22827",
      "url": "https://patchblox.com/security/cve/CVE-2022-22827",
      "title": "thunderbird-gnome-support: storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.03182,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22825",
      "url": "https://patchblox.com/security/cve/CVE-2022-22825",
      "title": "libxmltok1: lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.02994,
      "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"
  }
}