CVE-2022-40304 (GCVE-0-2022-40304)
Vulnerability from cvelistv5 – Published: 2022-11-23 00:00 – Updated: 2026-10-14 18:01
VLAI
EPSS
VEX
Summary
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-28 19:47 UTC
CWE
- n/a
- CWE-415 - Double Free
Assigner
References
20 references
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T12:14:40.052Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213534"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213533"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213531"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213536"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213535"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-6 macOS Big Sur 11.7.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"name": "20221220 APPLE-SA-2022-12-13-7 tvOS 16.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"name": "20221220 APPLE-SA-2022-12-13-5 macOS Monterey 12.6.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"name": "20221220 APPLE-SA-2022-12-13-8 watchOS 9.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-40304",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T19:47:33.415083Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-415",
"description": "CWE-415 Double Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T19:49:17.691Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-14T18:01:41.298Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-556635.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-625862.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-337522.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-341067.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-769027.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-12-21T00:00:00.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"url": "https://support.apple.com/kb/HT213534"
},
{
"url": "https://support.apple.com/kb/HT213533"
},
{
"url": "https://support.apple.com/kb/HT213531"
},
{
"url": "https://support.apple.com/kb/HT213536"
},
{
"url": "https://support.apple.com/kb/HT213535"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-6 macOS Big Sur 11.7.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"name": "20221220 APPLE-SA-2022-12-13-7 tvOS 16.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"name": "20221220 APPLE-SA-2022-12-13-5 macOS Monterey 12.6.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"name": "20221220 APPLE-SA-2022-12-13-8 watchOS 9.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2022-40304",
"datePublished": "2022-11-23T00:00:00.000Z",
"dateReserved": "2022-09-09T00:00:00.000Z",
"dateUpdated": "2026-10-14T18:01:41.298Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2022-40304",
"date": "2026-10-19",
"epss": "0.05812",
"percentile": "0.9306"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
},
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
}
],
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4A677043-FA7F-4C59-B1E4-242ABBA60ED7",
"versionEndExcluding": "2.10.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*",
"matchCriteriaId": "3A756737-1CC4-42C2-A4DF-E1C893B4E2D5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*",
"matchCriteriaId": "1FE996B1-6951-4F85-AA58-B99A379D2163",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*",
"matchCriteriaId": "62347994-1353-497C-9C4A-D5D8D95F67E8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D39DCAE7-494F-40B2-867F-6C6A077939DD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*",
"matchCriteriaId": "4BB0FDCF-3750-44C6-AC5C-0CC2AAD14093",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:hyper-v:*:*",
"matchCriteriaId": "80774A35-B0B8-4F9C-99CA-23849978D158",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C5892A8E-3D71-4ED7-ABFC-973DE74C2AD7",
"versionEndExcluding": "15.7.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2B03CFDD-AC66-4B07-A8CB-E026FCB8A1AE",
"versionEndExcluding": "15.7.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5867A268-292B-4DB2-8CA7-DE06D7125E2F",
"versionEndExcluding": "11.7.2",
"versionStartIncluding": "11.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3E5F532D-8E16-48F4-8612-4D51D1BD38FB",
"versionEndExcluding": "12.6.2",
"versionStartIncluding": "12.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "400AD564-BDEC-4C81-B650-56357BEBF0C7",
"versionEndExcluding": "16.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7A9F3F63-6BF8-4DD5-97FD-D9C90A62ECB0",
"versionEndExcluding": "9.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked."
},
{
"lang": "es",
"value": "Se descubri\u00f3 un problema en libxml2 antes de la versi\u00f3n 2.10.3. Ciertas definiciones de entidades XML no v\u00e1lidas pueden da\u00f1ar la clave de una tabla hash, lo que podr\u00eda provocar errores l\u00f3gicos posteriores. En un caso, se puede provocar un double-free."
}
],
"id": "CVE-2022-40304",
"lastModified": "2026-10-14T18:17:05.050",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-40304",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T19:47:33.415083Z",
"version": "2.0.3"
}
}
]
},
"published": "2022-11-23T18:15:12.167",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"source": "cve@mitre.org",
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Release Notes",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213531"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213533"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213534"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213535"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213536"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Release Notes",
"Third Party Advisory"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213531"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213533"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213534"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213535"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/kb/HT213536"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-337522.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-341067.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-556635.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-625862.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-769027.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-415"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-415"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-10-14T19:35:07+00:00",
"cve": "CVE-2022-40304",
"id": "CVE-2022-40304",
"initial_release_date": "2022-10-14T00:00:00+00:00",
"product_status:fixed": "136",
"product_status:known_affected": "10",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libxml2: dict corruption caused by entity reference cycles",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-40304.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T12:14:40.052Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213534"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213533"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213531"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213536"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213535"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-6 macOS Big Sur 11.7.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"name": "20221220 APPLE-SA-2022-12-13-7 tvOS 16.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"name": "20221220 APPLE-SA-2022-12-13-5 macOS Monterey 12.6.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"name": "20221220 APPLE-SA-2022-12-13-8 watchOS 9.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-14T18:01:41.298Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-556635.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-625862.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-337522.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-341067.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-769027.html"
}
],
"x_adpType": "supplier"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-40304",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T19:47:33.415083Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-415",
"description": "CWE-415 Double Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T19:47:46.624Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-12-21T00:00:00.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags"
},
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
},
{
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221209-0003/"
},
{
"url": "https://support.apple.com/kb/HT213534"
},
{
"url": "https://support.apple.com/kb/HT213533"
},
{
"url": "https://support.apple.com/kb/HT213531"
},
{
"url": "https://support.apple.com/kb/HT213536"
},
{
"url": "https://support.apple.com/kb/HT213535"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-6 macOS Big Sur 11.7.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/25"
},
{
"name": "20221220 APPLE-SA-2022-12-13-7 tvOS 16.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"name": "20221220 APPLE-SA-2022-12-13-5 macOS Monterey 12.6.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/24"
},
{
"name": "20221220 APPLE-SA-2022-12-13-8 watchOS 9.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/27"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2022-40304",
"datePublished": "2022-11-23T00:00:00.000Z",
"dateReserved": "2022-09-09T00:00:00.000Z",
"dateUpdated": "2026-10-14T18:01:41.298Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.