tomcat10 — security advisory
A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.
- Products
- tomcat10
- Affected versions
- Not specified
- Fixed versions
- 10.1.10-1
- CVEs
- CVE-2023-34981
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:54 UTC · Revision 1
Source evidence
A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.
osv:DEBIAN-CVE-2023-34981
tomcat10
Fixed versions: 10.1.10-1
tomcat10
Fixed versions: 10.1.10-1
Complete source record
{
"id": "fa70a6e9c100b104fafe848cca3a88e02efb6fb89c8ea3d5af5a2dac6260b941",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-34981",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-34981",
"summary": "A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.",
"evidence": "osv:DEBIAN-CVE-2023-34981",
"products": [
{
"name": {
"value": "tomcat10",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.1.10-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat10",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.1.10-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-34981",
"aliases": [
"DEBIAN-CVE-2023-34981"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.1.10-1"
}
]
}
],
"package": {
"name": "tomcat10",
"purl": "pkg:deb/debian/tomcat10?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-34981.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.1.10-1"
}
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],
"package": {
"name": "tomcat10",
"purl": "pkg:deb/debian/tomcat10?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-34981.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:29.012856102Z",
"provider": "osv",
"upstream": [
"CVE-2023-34981"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-34981"
]
},
"related_cves": [
{
"value": "CVE-2023-34981",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456040,
"published_at": "2023-06-21T11:15:09.41+00:00"
}