HighFix available
Red Hat Security Advisory: tomcat9 security update
Type: advisorySources: OSV
- Products
- tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp, tomcat9-el-3.0-api, tomcat9-jsp-2.3-api, tomcat9-lib, tomcat9-servlet-4.0-api, tomcat9-webapps
- Affected versions
- Not specified
- Fixed versions
- 1:9.0.110-2.el10_2
- CVEs
- CVE-2024-34750, CVE-2024-38286, CVE-2025-46701, CVE-2025-55668, CVE-2025-55754, CVE-2025-61795, CVE-2026-55957
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 12:30 UTC · Revision 1
Source evidence
Red Hat Security Advisory: tomcat9 security update
core-osv · Original sourcePublished 19 May 2026, 10:06 UTC
Red Hat Security Advisory: tomcat9 security update
osv:RHSA-2026:18536
tomcat9
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-admin-webapps
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-docs-webapp
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-el-3.0-api
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-jsp-2.3-api
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-lib
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-servlet-4.0-api
Fixed versions: 1:9.0.110-2.el10_2
tomcat9-webapps
Fixed versions: 1:9.0.110-2.el10_2
Complete source record
{
"id": "4fece6da6e3b26ae7c4bea7e5081315bbf46768eab026c88aa08ec3b97f9b8e5",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A18536",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: tomcat9 security update",
"summary": "Red Hat Security Advisory: tomcat9 security update",
"evidence": "osv:RHSA-2026:18536",
"products": [
{
"name": {
"value": "tomcat9",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.110-2.el10_2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat9-admin-webapps",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.110-2.el10_2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
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{
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"evidence": "/affected/2/ranges"
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"affected_versions": []
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{
"name": {
"value": "tomcat9-el-3.0-api",
"evidence": "/affected/3/package/name"
},
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{
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"evidence": "/affected/3/ranges"
}
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"affected_versions": []
},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.110-2.el10_2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat9-lib",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/5/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
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{
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"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat9-webapps",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.110-2.el10_2",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:18536",
"aliases": [
"RHSA-2026:18536"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "tomcat9",
"purl": "pkg:rpm/redhat/tomcat9",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
"ranges": [
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"events": [
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}
],
"package": {
"name": "tomcat9-admin-webapps",
"purl": "pkg:rpm/redhat/tomcat9-admin-webapps",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
"ranges": [
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"events": [
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]
}
],
"package": {
"name": "tomcat9-docs-webapp",
"purl": "pkg:rpm/redhat/tomcat9-docs-webapp",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
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"events": [
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],
"package": {
"name": "tomcat9-el-3.0-api",
"purl": "pkg:rpm/redhat/tomcat9-el-3.0-api",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
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},
{
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]
}
],
"package": {
"name": "tomcat9-jsp-2.3-api",
"purl": "pkg:rpm/redhat/tomcat9-jsp-2.3-api",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.0.110-2.el10_2"
}
]
}
],
"package": {
"name": "tomcat9-lib",
"purl": "pkg:rpm/redhat/tomcat9-lib",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "1:9.0.110-2.el10_2"
}
]
}
],
"package": {
"name": "tomcat9-servlet-4.0-api",
"purl": "pkg:rpm/redhat/tomcat9-servlet-4.0-api",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "1:9.0.110-2.el10_2"
}
]
}
],
"package": {
"name": "tomcat9-webapps",
"purl": "pkg:rpm/redhat/tomcat9-webapps",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:18536.json"
}
}
],
"modified": "2026-10-09T10:20:36Z",
"provider": "osv",
"upstream": [
"CVE-2024-34750",
"CVE-2024-38286",
"CVE-2025-46701",
"CVE-2025-55668",
"CVE-2025-55754",
"CVE-2025-61795",
"CVE-2026-55957"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:18536",
"https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.2_release_notes/index",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2369253",
"https://bugzilla.redhat.com/show_bug.cgi?id=2388226",
"https://bugzilla.redhat.com/show_bug.cgi?id=2406590",
"https://issues.redhat.com/browse/RHEL-148687",
"https://issues.redhat.com/browse/RHEL-158962",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_18536.json",
"https://access.redhat.com/security/cve/CVE-2024-34750",
"https://bugzilla.redhat.com/show_bug.cgi?id=2295651",
"https://www.cve.org/CVERecord?id=CVE-2024-34750",
"https://nvd.nist.gov/vuln/detail/CVE-2024-34750",
"https://lists.apache.org/thread/4kqf0bc9gxymjc2x7v3p7dvplnl77y8l",
"https://access.redhat.com/security/cve/CVE-2024-38286",
"https://bugzilla.redhat.com/show_bug.cgi?id=2314686",
"https://www.cve.org/CVERecord?id=CVE-2024-38286",
"https://nvd.nist.gov/vuln/detail/CVE-2024-38286",
"https://lists.apache.org/thread/wms60cvbsz3fpbz9psxtfx8r41jl6d4s",
"https://access.redhat.com/security/cve/CVE-2025-46701",
"https://www.cve.org/CVERecord?id=CVE-2025-46701",
"https://nvd.nist.gov/vuln/detail/CVE-2025-46701",
"https://lists.apache.org/thread/xhqqk9w5q45srcdqhogdk04lhdscv30j",
"https://access.redhat.com/security/cve/CVE-2025-55668",
"https://www.cve.org/CVERecord?id=CVE-2025-55668",
"https://nvd.nist.gov/vuln/detail/CVE-2025-55668",
"https://github.com/apache/tomcat/commit/8621e4c6ba2c916a41eb34cb0f781171ead33fb6",
"https://github.com/apache/tomcat/commit/90306d971bb8b8393336d893644124fb2ca11d21",
"https://github.com/apache/tomcat/commit/9c3673ba04009377cb0c81ccb6cf5078aec1aa95",
"https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47",
"https://access.redhat.com/security/cve/CVE-2025-55754",
"https://www.cve.org/CVERecord?id=CVE-2025-55754",
"https://nvd.nist.gov/vuln/detail/CVE-2025-55754",
"https://github.com/apache/tomcat/commit/5a3db092982c0c58d4855304167ee757fe5e79bb",
"https://lists.apache.org/thread/j7w54hqbkfcn0xb9xy0wnx8w5nymcbqd",
"https://access.redhat.com/security/cve/CVE-2025-61795",
"https://bugzilla.redhat.com/show_bug.cgi?id=2406588",
"https://www.cve.org/CVERecord?id=CVE-2025-61795",
"https://nvd.nist.gov/vuln/detail/CVE-2025-61795",
"https://github.com/apache/tomcat/commit/1cdf5f730ede75a0759492f179ac21ca4ff68e06",
"https://lists.apache.org/thread/wm9mx8brmx9g4zpywm06ryrtvd3160pp",
"https://access.redhat.com/security/cve/CVE-2026-55957",
"https://bugzilla.redhat.com/show_bug.cgi?id=2494669",
"https://www.cve.org/CVERecord?id=CVE-2026-55957",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55957",
"https://lists.apache.org/thread/7fk339o5jvd4mcgsf0chbrn4o525ccjh"
]
},
"related_cves": [
{
"value": "CVE-2024-34750",
"evidence": "/upstream"
},
{
"value": "CVE-2024-38286",
"evidence": "/upstream"
},
{
"value": "CVE-2025-46701",
"evidence": "/upstream"
},
{
"value": "CVE-2025-55668",
"evidence": "/upstream"
},
{
"value": "CVE-2025-55754",
"evidence": "/upstream"
},
{
"value": "CVE-2025-61795",
"evidence": "/upstream"
},
{
"value": "CVE-2026-55957",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 120533,
"published_at": "2026-05-19T10:06:41+00:00"
}