MediumFix available
apache2 — security advisory
In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.
- Products
- apache2
- Affected versions
- Not specified
- Fixed versions
- 2.4.43-1
- CVEs
- CVE-2020-1934
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:49 UTC · Revision 1
Source evidence
In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.
osv:DEBIAN-CVE-2020-1934
apache2
Fixed versions: 2.4.43-1
apache2
Fixed versions: 2.4.43-1
apache2
Fixed versions: 2.4.43-1
Complete source record
{
"id": "222b36bbf94efc8209b077a921e913080f5beaf007a4c7c8c653fbae786a58b2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-1934",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-1934",
"summary": "In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.",
"evidence": "osv:DEBIAN-CVE-2020-1934",
"products": [
{
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"evidence": "/affected/0/package/name"
},
"prerequisites": [],
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"evidence": "/affected/0/ranges"
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"affected_versions": []
},
{
"name": {
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},
"prerequisites": [],
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{
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"evidence": "/affected/2/ranges"
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"affected_versions": []
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],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2020-1934",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
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"package": {
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"purl": "pkg:deb/debian/apache2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
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"package": {
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"ecosystem": "Debian:13"
},
"database_specific": {
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{
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"package": {
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"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-1934.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-26T12:00:59.988428692Z",
"provider": "osv",
"upstream": [
"CVE-2020-1934"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-1934"
]
},
"related_cves": [
{
"value": "CVE-2020-1934",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 451412,
"published_at": "2020-04-01T20:15:15.127+00:00"
}