trafficserver — security advisory
Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.
- Products
- trafficserver
- Affected versions
- 9.2.0+ds-2, 9.2.0+ds-2+deb12u1, 9.2.1+ds-1, 9.2.2+ds-1, 9.2.3+ds-1, 9.2.3+ds-1+deb12u1, 9.2.4+ds-0+deb12u1, 9.2.4+ds-1, 9.2.4+ds-2
- Fixed versions
- 9.2.5+ds-0+deb12u1
- CVEs
- CVE-2023-38522
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:55 UTC · Revision 1
Source evidence
Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.
osv:DEBIAN-CVE-2023-38522
trafficserver
Fixed versions: 9.2.5+ds-0+deb12u1
Complete source record
{
"id": "3163470e5fb7d1608871f4fbec97df7644fa700d4bf8d38b9aa43080e721964d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-38522",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-38522",
"summary": "Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.",
"evidence": "osv:DEBIAN-CVE-2023-38522",
"products": [
{
"name": {
"value": "trafficserver",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.2.5+ds-0+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "9.2.0+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.0+ds-2+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.1+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.2+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.3+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.3+ds-1+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.4+ds-0+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.4+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "9.2.4+ds-2",
"evidence": "/affected/0/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-38522",
"aliases": [
"DEBIAN-CVE-2023-38522"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.2.5+ds-0+deb12u1"
}
]
}
],
"package": {
"name": "trafficserver",
"purl": "pkg:deb/debian/trafficserver?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"9.2.0+ds-2",
"9.2.0+ds-2+deb12u1",
"9.2.1+ds-1",
"9.2.2+ds-1",
"9.2.3+ds-1",
"9.2.3+ds-1+deb12u1",
"9.2.4+ds-0+deb12u1",
"9.2.4+ds-1",
"9.2.4+ds-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-38522.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:30.376867545Z",
"provider": "osv",
"upstream": [
"CVE-2023-38522"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-38522"
]
},
"related_cves": [
{
"value": "CVE-2023-38522",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456103,
"published_at": "2024-07-26T10:15:01.923+00:00"
}