UnratedFix available
httpcomponents-client vulnerability
Type: advisorySources: OSV
It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code.
- Products
- httpcomponents-client
- Affected versions
- 4.2.5-2, 4.3.2-1, 4.3.3-1, 4.3.3-1ubuntu0.1, 4.3.3-1ubuntu0.1+esm1, 4.4.1-1, 4.5.1-1, 4.5.10-2, 4.5.11-1, 4.5.3-1, 4.5.4-1, 4.5.5-1, 4.5.9-1
- Fixed versions
- 4.3.3-1ubuntu0.1+esm2, 4.5.1-1ubuntu0.1~esm1, 4.5.11-1ubuntu0.1~esm1, 4.5.5-1ubuntu0.1~esm1
- CVEs
- CVE-2020-13956
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 06:37 UTC · Revision 1
Source evidence
It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code.
osv:USN-5239-1
httpcomponents-client
Fixed versions: 4.3.3-1ubuntu0.1+esm2
httpcomponents-client
Fixed versions: 4.5.1-1ubuntu0.1~esm1
httpcomponents-client
Fixed versions: 4.5.5-1ubuntu0.1~esm1
httpcomponents-client
Fixed versions: 4.5.11-1ubuntu0.1~esm1
Complete source record
{
"id": "192e8f45c568d187888c65ced52f940aa853438c34874b24eebc25c97a566faa",
"url": "https://osv.dev/vulnerability/USN-5239-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "httpcomponents-client vulnerability",
"summary": "It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code.",
"evidence": "osv:USN-5239-1",
"products": [
{
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},
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
},
{
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{
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{
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"severity": "unknown",
"structured": {
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"package": {
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"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
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},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "Ubuntu",
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}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libhttpclient-java",
"binary_version": "4.3.3-1ubuntu0.1+esm2"
},
{
"binary_name": "libhttpmime-java",
"binary_version": "4.3.3-1ubuntu0.1+esm2"
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],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
},
{
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{
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],
"package": {
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"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
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],
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},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
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},
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],
"package": {
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"4.5.4-1",
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],
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},
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{
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},
{
"binary_name": "libhttpmime-java",
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],
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},
{
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],
"package": {
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"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
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"4.5.10-2",
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],
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}
},
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{
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],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
}
],
"modified": "2026-10-12T14:20:19.836651243Z",
"provider": "osv",
"upstream": [
"CVE-2020-13956",
"UBUNTU-CVE-2020-13956"
],
"references": [
"https://ubuntu.com/security/notices/USN-5239-1",
"https://ubuntu.com/security/CVE-2020-13956"
]
},
"related_cves": [
{
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 299944,
"published_at": "2022-08-08T13:29:51+00:00"
}