HighFix available
haproxy — security advisory
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
- Products
- haproxy
- Affected versions
- 2.6.12-1
- Fixed versions
- 2.6.12-1+deb12u1, 2.6.15-1
- CVEs
- CVE-2023-45539
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:11 UTC · Revision 1
Source evidence
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
osv:DEBIAN-CVE-2023-45539
haproxy
Fixed versions: 2.6.12-1+deb12u1
haproxy
Fixed versions: 2.6.15-1
haproxy
Fixed versions: 2.6.15-1
Complete source record
{
"id": "e509201121e926238533c4bab089a5d9fd0cd1ace21822461e2b23d7f0112519",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-45539",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-45539",
"summary": "HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.",
"evidence": "osv:DEBIAN-CVE-2023-45539",
"products": [
{
"name": {
"value": "haproxy",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.12-1+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.6.12-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "haproxy",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.15-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "haproxy",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.15-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-45539",
"aliases": [
"DEBIAN-CVE-2023-45539"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.12-1+deb12u1"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.6.12-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-45539.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.15-1"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-45539.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.15-1"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-45539.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:49.412913100Z",
"provider": "osv",
"upstream": [
"CVE-2023-45539"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-45539"
]
},
"related_cves": [
{
"value": "CVE-2023-45539",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456910,
"published_at": "2023-11-28T20:15:07.817+00:00"
}