OESA-2022-2037 (CVE-2022-43680)
Vulnerability from osv_openeuler – Published: 2022-11-04 11:05 – Updated: 2026-08-06 11:05 – Source website
VLAI
Summary
expat security update
Details
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.
Security Fix(es):
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.(CVE-2022-43680)
Severity
7.5 (High)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"expat-debugsource-2.2.9-9.oe1.aarch64.rpm",
"expat-debuginfo-2.2.9-9.oe1.aarch64.rpm",
"expat-devel-2.2.9-9.oe1.aarch64.rpm",
"expat-2.2.9-9.oe1.aarch64.rpm"
],
"noarch": [
"expat-help-2.2.9-9.oe1.noarch.rpm"
],
"src": [
"expat-2.2.9-9.oe1.src.rpm"
],
"x86_64": [
"expat-debuginfo-2.2.9-9.oe1.x86_64.rpm",
"expat-debugsource-2.2.9-9.oe1.x86_64.rpm",
"expat-devel-2.2.9-9.oe1.x86_64.rpm",
"expat-2.2.9-9.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP1",
"name": "expat",
"purl": "pkg:rpm/openEuler/expat\u0026distro=openEuler-20.03-LTS-SP1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.9-9.oe1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"expat-devel-2.2.9-9.oe1.aarch64.rpm",
"expat-2.2.9-9.oe1.aarch64.rpm",
"expat-debuginfo-2.2.9-9.oe1.aarch64.rpm",
"expat-debugsource-2.2.9-9.oe1.aarch64.rpm"
],
"noarch": [
"expat-help-2.2.9-9.oe1.noarch.rpm"
],
"src": [
"expat-2.2.9-9.oe1.src.rpm"
],
"x86_64": [
"expat-2.2.9-9.oe1.x86_64.rpm",
"expat-debugsource-2.2.9-9.oe1.x86_64.rpm",
"expat-devel-2.2.9-9.oe1.x86_64.rpm",
"expat-debuginfo-2.2.9-9.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP3",
"name": "expat",
"purl": "pkg:rpm/openEuler/expat\u0026distro=openEuler-20.03-LTS-SP3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.9-9.oe1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"expat-2.4.1-8.oe2203.aarch64.rpm",
"expat-debuginfo-2.4.1-8.oe2203.aarch64.rpm",
"expat-devel-2.4.1-8.oe2203.aarch64.rpm",
"expat-debugsource-2.4.1-8.oe2203.aarch64.rpm"
],
"noarch": [
"expat-help-2.4.1-8.oe2203.noarch.rpm"
],
"src": [
"expat-2.4.1-8.oe2203.src.rpm"
],
"x86_64": [
"expat-devel-2.4.1-8.oe2203.x86_64.rpm",
"expat-debugsource-2.4.1-8.oe2203.x86_64.rpm",
"expat-2.4.1-8.oe2203.x86_64.rpm",
"expat-debuginfo-2.4.1-8.oe2203.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS",
"name": "expat",
"purl": "pkg:rpm/openEuler/expat\u0026distro=openEuler-22.03-LTS"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.1-8.oe2203"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\n\r\n\r\nSecurity Fix(es):\r\n\r\nIn 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.(CVE-2022-43680)",
"id": "OESA-2022-2037",
"modified": "2026-08-06T11:05:21Z",
"published": "2022-11-04T11:05:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2037"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43680"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "expat security update",
"upstream": [
"CVE-2022-43680"
]
}
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Sightings
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|---|
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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