UnratedFix available
apache2 — security advisory
The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.
- Products
- apache2
- Affected versions
- Not specified
- Fixed versions
- 2.2.6-1
- CVEs
- CVE-2007-3847
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:47 UTC · Revision 1
Source evidence
The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.
osv:DEBIAN-CVE-2007-3847
apache2
Fixed versions: 2.2.6-1
apache2
Fixed versions: 2.2.6-1
apache2
Fixed versions: 2.2.6-1
Complete source record
{
"id": "9694c5ac9857e3e7b64414a54ea0f013a65362384fa31cbc999035a2b9fbeedb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-3847",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-3847",
"summary": "The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.",
"evidence": "osv:DEBIAN-CVE-2007-3847",
"products": [
{
"name": {
"value": "apache2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.6-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "apache2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.6-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "apache2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.6-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-3847",
"aliases": [
"DEBIAN-CVE-2007-3847"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.6-1"
}
]
}
],
"package": {
"name": "apache2",
"purl": "pkg:deb/debian/apache2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-3847.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.6-1"
}
]
}
],
"package": {
"name": "apache2",
"purl": "pkg:deb/debian/apache2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-3847.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.6-1"
}
]
}
],
"package": {
"name": "apache2",
"purl": "pkg:deb/debian/apache2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-3847.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-21T17:47:39.963139283Z",
"provider": "osv",
"upstream": [
"CVE-2007-3847"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-3847"
]
},
"related_cves": [
{
"value": "CVE-2007-3847",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398446,
"published_at": "2007-08-23T22:17:00+00:00"
}