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Vulnerability from cleanstart
Published
2026-04-01 09:16
Modified
2026-03-26 13:10
Summary
Security fixes for CVE-2017-9233, CVE-2019-15903, CVE-2021-45960, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23852, CVE-2022-23990, CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25314, CVE-2022-25315, CVE-2022-40674, CVE-2022-43680, CVE-2023-52425, CVE-2023-52426, CVE-2024-28757, CVE-2024-45490, CVE-2024-45491, CVE-2024-45492, CVE-2024-50602, CVE-2026-24515, CVE-2026-25210, CVE-2026-32767 applied in versions: 2.2.0-r1, 2.2.7-r0, 2.2.7-r1, 2.4.3-r0, 2.4.4-r0, 2.4.5-r0, 2.4.9-r0, 2.5.0-r0, 2.6.0-r0, 2.6.2-r0, 2.6.3-r0, 2.6.4-r0, 2.7.2-r0, 2.7.5-r0
Details
Multiple security vulnerabilities affect the expat package. These issues are resolved in later releases. See references for individual vulnerability details.
References
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "expat"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.5-r0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the expat package. These issues are resolved in later releases. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-EM10970",
"modified": "2026-03-26T13:10:59Z",
"published": "2026-04-01T09:16:01.861201Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-EM10970.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2017-9233"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2019-15903"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-45960"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-46143"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22822"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22823"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22824"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22825"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22826"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-22827"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-23852"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-23990"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-25235"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-25236"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-25313"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-25314"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-25315"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-40674"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-43680"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2023-52425"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2023-52426"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-28757"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-45490"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-45491"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-45492"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-50602"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-24515"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-25210"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32767"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9233"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15903"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45960"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46143"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22822"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22823"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22824"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22825"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22826"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22827"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23852"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23990"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25235"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25236"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25313"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25314"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25315"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40674"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43680"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52425"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52426"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28757"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45490"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45491"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45492"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50602"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24515"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25210"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32767"
}
],
"related": [],
"schema_version": "1.7.3",
"summary": "Security fixes for CVE-2017-9233, CVE-2019-15903, CVE-2021-45960, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23852, CVE-2022-23990, CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25314, CVE-2022-25315, CVE-2022-40674, CVE-2022-43680, CVE-2023-52425, CVE-2023-52426, CVE-2024-28757, CVE-2024-45490, CVE-2024-45491, CVE-2024-45492, CVE-2024-50602, CVE-2026-24515, CVE-2026-25210, CVE-2026-32767 applied in versions: 2.2.0-r1, 2.2.7-r0, 2.2.7-r1, 2.4.3-r0, 2.4.4-r0, 2.4.5-r0, 2.4.9-r0, 2.5.0-r0, 2.6.0-r0, 2.6.2-r0, 2.6.3-r0, 2.6.4-r0, 2.7.2-r0, 2.7.5-r0",
"upstream": [
"CVE-2017-9233",
"CVE-2019-15903",
"CVE-2021-45960",
"CVE-2021-46143",
"CVE-2022-22822",
"CVE-2022-22823",
"CVE-2022-22824",
"CVE-2022-22825",
"CVE-2022-22826",
"CVE-2022-22827",
"CVE-2022-23852",
"CVE-2022-23990",
"CVE-2022-25235",
"CVE-2022-25236",
"CVE-2022-25313",
"CVE-2022-25314",
"CVE-2022-25315",
"CVE-2022-40674",
"CVE-2022-43680",
"CVE-2023-52425",
"CVE-2023-52426",
"CVE-2024-28757",
"CVE-2024-45490",
"CVE-2024-45491",
"CVE-2024-45492",
"CVE-2024-50602",
"CVE-2026-24515",
"CVE-2026-25210",
"CVE-2026-32767"
]
}
CVE-2024-45492 (GCVE-0-2024-45492)
Vulnerability from cvelistv5 – Published: 2024-08-30 00:00 – Updated: 2025-11-04 16:15
VLAI?
EPSS
Summary
An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Severity ?
7.3 (High)
CWE
- n/a
Assigner
References
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:libexpat:expat:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "expat",
"vendor": "libexpat",
"versions": [
{
"lessThan": "2.6.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-45492",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-30T13:53:05.479025Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "CWE-190 Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-30T13:53:09.005Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-04T16:15:49.298Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://security.netapp.com/advisory/ntap-20241018-0005/"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX)."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-30T02:09:24.475Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/libexpat/libexpat/pull/892"
},
{
"url": "https://github.com/libexpat/libexpat/issues/889"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2024-45492",
"datePublished": "2024-08-30T00:00:00.000Z",
"dateReserved": "2024-08-30T00:00:00.000Z",
"dateUpdated": "2025-11-04T16:15:49.298Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-32767 (GCVE-0-2026-32767)
Vulnerability from cvelistv5 – Published: 2026-03-20 00:13 – Updated: 2026-03-20 14:42
VLAI?
EPSS
Title
SiYuan: Authorization Bypass Allows Arbitrary SQL Execution via Search API
Summary
SiYuan is a personal knowledge management system. Versions 3.6.0 and below contain an authorization bypass vulnerability in the /api/search/fullTextSearchBlock endpoint. When the method parameter is set to 2, the endpoint passes user-supplied input directly as a raw SQL statement to the underlying SQLite database without any authorization or read-only checks. This allows any authenticated user — including those with the Reader role — to execute arbitrary SQL statements (SELECT, DELETE, UPDATE, DROP TABLE, etc.) against the application's database. This is inconsistent with the application's own security model: the dedicated SQL endpoint (/api/query/sql) correctly requires both CheckAdminRole and CheckReadonly middleware, but the search endpoint bypasses these controls entirely. This issue has been fixed in version 3.6.1.
Severity ?
9.8 (Critical)
CWE
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| siyuan-note | siyuan |
Affected:
< 3.6.1
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-32767",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-20T14:42:43.938307Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-20T14:42:49.764Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "siyuan",
"vendor": "siyuan-note",
"versions": [
{
"status": "affected",
"version": "\u003c 3.6.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "SiYuan is a personal knowledge management system. Versions 3.6.0 and below contain an authorization bypass vulnerability in the /api/search/fullTextSearchBlock endpoint. When the method parameter is set to 2, the endpoint passes user-supplied input directly as a raw SQL statement to the underlying SQLite database without any authorization or read-only checks. This allows any authenticated user \u2014 including those with the Reader role \u2014 to execute arbitrary SQL statements (SELECT, DELETE, UPDATE, DROP TABLE, etc.) against the application\u0027s database. This is inconsistent with the application\u0027s own security model: the dedicated SQL endpoint (/api/query/sql) correctly requires both CheckAdminRole and CheckReadonly middleware, but the search endpoint bypasses these controls entirely. This issue has been fixed in version 3.6.1."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"description": "CWE-89: Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863: Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-20T00:13:31.384Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7"
},
{
"name": "https://github.com/siyuan-note/siyuan/issues/17209",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/siyuan-note/siyuan/issues/17209"
},
{
"name": "https://github.com/siyuan-note/siyuan/commit/d5e2d0bce0dffef5f61bd8066954bc2d41181fc5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/siyuan-note/siyuan/commit/d5e2d0bce0dffef5f61bd8066954bc2d41181fc5"
},
{
"name": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1"
}
],
"source": {
"advisory": "GHSA-j7wh-x834-p3r7",
"discovery": "UNKNOWN"
},
"title": "SiYuan: Authorization Bypass Allows Arbitrary SQL Execution via Search API"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-32767",
"datePublished": "2026-03-20T00:13:31.384Z",
"dateReserved": "2026-03-13T18:53:03.533Z",
"dateUpdated": "2026-03-20T14:42:49.764Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2022-23852 (GCVE-0-2022-23852)
Vulnerability from cvelistv5 – Published: 2022-01-24 01:06 – Updated: 2025-05-05 16:25
VLAI?
EPSS
Summary
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T03:51:46.082Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/libexpat/libexpat/pull/550"
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CVE-2017-9233 (GCVE-0-2017-9233)
Vulnerability from cvelistv5 – Published: 2017-07-25 20:00 – Updated: 2024-08-05 17:02
VLAI?
EPSS
Summary
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
Date Public ?
2017-06-17 00:00
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CVE-2024-45491 (GCVE-0-2024-45491)
Vulnerability from cvelistv5 – Published: 2024-08-30 00:00 – Updated: 2025-11-04 16:15
VLAI?
EPSS
Summary
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Severity ?
7.3 (High)
CWE
- n/a
Assigner
References
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CVE-2022-22827 (GCVE-0-2022-22827)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:28
VLAI?
EPSS
Summary
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
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CVE-2024-50602 (GCVE-0-2024-50602)
Vulnerability from cvelistv5 – Published: 2024-10-27 00:00 – Updated: 2025-04-30 20:03
VLAI?
EPSS
Summary
An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.
Severity ?
5.9 (Medium)
CWE
- n/a
Assigner
References
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CVE-2026-24515 (GCVE-0-2026-24515)
Vulnerability from cvelistv5 – Published: 2026-01-23 07:46 – Updated: 2026-01-23 15:31
VLAI?
EPSS
Summary
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
Severity ?
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Affected:
0 , < 2.7.4
(semver)
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CVE-2021-46143 (GCVE-0-2021-46143)
Vulnerability from cvelistv5 – Published: 2022-01-06 03:48 – Updated: 2025-05-05 16:44
VLAI?
EPSS
Summary
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Severity ?
8.1 (High)
CWE
- n/a
Assigner
References
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CVE-2022-25313 (GCVE-0-2022-25313)
Vulnerability from cvelistv5 – Published: 2022-02-18 04:23 – Updated: 2025-05-30 19:43
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2024-28757 (GCVE-0-2024-28757)
Vulnerability from cvelistv5 – Published: 2024-03-10 00:00 – Updated: 2025-11-04 22:06
VLAI?
EPSS
Summary
libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2024-45490 (GCVE-0-2024-45490)
Vulnerability from cvelistv5 – Published: 2024-08-30 00:00 – Updated: 2025-11-04 16:15
VLAI?
EPSS
Summary
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2022-22822 (GCVE-0-2022-22822)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:57 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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CVE-2023-52425 (GCVE-0-2023-52425)
Vulnerability from cvelistv5 – Published: 2024-02-04 00:00 – Updated: 2025-11-04 18:21
VLAI?
EPSS
Summary
libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2022-22826 (GCVE-0-2022-22826)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2019-15903 (GCVE-0-2019-15903)
Vulnerability from cvelistv5 – Published: 2019-09-04 05:59 – Updated: 2025-05-30 19:27
VLAI?
EPSS
Summary
In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2026-25210 (GCVE-0-2026-25210)
Vulnerability from cvelistv5 – Published: 2026-01-30 06:40 – Updated: 2026-04-30 03:55
VLAI?
EPSS
Summary
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
Severity ?
6.9 (Medium)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Affected:
0 , < 2.7.4
(semver)
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CVE-2021-45960 (GCVE-0-2021-45960)
Vulnerability from cvelistv5 – Published: 2022-01-01 18:47 – Updated: 2025-05-05 16:45
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
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CVE-2023-52426 (GCVE-0-2023-52426)
Vulnerability from cvelistv5 – Published: 2024-02-04 00:00 – Updated: 2025-11-04 18:21
VLAI?
EPSS
Summary
libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-43680 (GCVE-0-2022-43680)
Vulnerability from cvelistv5 – Published: 2022-10-24 00:00 – Updated: 2025-05-30 19:20
VLAI?
EPSS
Summary
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2022-40674 (GCVE-0-2022-40674)
Vulnerability from cvelistv5 – Published: 2022-09-14 00:00 – Updated: 2025-05-30 19:18
VLAI?
EPSS
Summary
libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
Severity ?
8.1 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
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CVE-2022-22825 (GCVE-0-2022-22825)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2022-25314 (GCVE-0-2022-25314)
Vulnerability from cvelistv5 – Published: 2022-02-18 04:25 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-25236 (GCVE-0-2022-25236)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:39 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-22824 (GCVE-0-2022-22824)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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CVE-2022-25315 (GCVE-0-2022-25315)
Vulnerability from cvelistv5 – Published: 2022-02-18 04:24 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-22823 (GCVE-0-2022-22823)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:57 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
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CVE-2022-23990 (GCVE-0-2022-23990)
Vulnerability from cvelistv5 – Published: 2022-01-26 18:02 – Updated: 2025-05-05 16:24
VLAI?
EPSS
Summary
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
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CVE-2022-25235 (GCVE-0-2022-25235)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:40 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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.
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