UnratedFix available
Fix CVE(s): CVE-2024-23672, CVE-2024-56337
Type: advisorySources: OSV
* SECURITY UPDATE: DoS via incomplete cleanup vulnerability - debian/patches/CVE-2024-23672.patch: add a session close timeout so a client that never answers the close message cannot hold the connection open, in java/org/apache/tomcat/websocket/WsSession.java - CVE-2024-23672 * SECURITY UPDATE: TOCTOU race condition on case insensitive file systems - debian/patches/CVE-2024-56337.patch: disable the JVM canonical file name cache via sun.io.useCanonCaches in bin/catalina.sh - CVE-2024-56337
- Products
- libservlet3.1-java, libservlet3.1-java-doc, libtomcat8-java, tomcat8, tomcat8-admin, tomcat8-common, tomcat8-docs, tomcat8-examples, tomcat8-user
- Affected versions
- Not specified
- Fixed versions
- 8.0.32-1ubuntu1.13+tuxcare.els5
- CVEs
- CVE-2024-23672, CVE-2024-56337
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:39 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2024-23672, CVE-2024-56337
core-osv · Original sourcePublished 13 Aug 2026, 15:05 UTC
* SECURITY UPDATE: DoS via incomplete cleanup vulnerability - debian/patches/CVE-2024-23672.patch: add a session close timeout so a client that never answers the close message cannot hold the connection open, in java/org/apache/tomcat/websocket/WsSession.java - CVE-2024-23672 * SECURITY UPDATE: TOCTOU race condition on case insensitive file systems - debian/patches/CVE-2024-56337.patch: disable the JVM canonical file name cache via sun.io.useCanonCaches in bin/catalina.sh - CVE-2024-56337
osv:CLSA-2026-1786633537
libservlet3.1-java
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
libservlet3.1-java-doc
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
libtomcat8-java
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8-admin
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8-common
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8-docs
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8-examples
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
tomcat8-user
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els5
Complete source record
{
"id": "d866253143011fdcf65643027d56e5cd85af3e4d65188e1ea0f7724fdaff4292",
"url": "https://osv.dev/vulnerability/CLSA-2026-1786633537",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2024-23672, CVE-2024-56337",
"summary": "* SECURITY UPDATE: DoS via incomplete cleanup vulnerability - debian/patches/CVE-2024-23672.patch: add a session close timeout so a client that never answers the close message cannot hold the connection open, in java/org/apache/tomcat/websocket/WsSession.java - CVE-2024-23672 * SECURITY UPDATE: TOCTOU race condition on case insensitive file systems - debian/patches/CVE-2024-56337.patch: disable the JVM canonical file name cache via sun.io.useCanonCaches in bin/catalina.sh - CVE-2024-56337",
"evidence": "osv:CLSA-2026-1786633537",
"products": [
{
"name": {
"value": "libservlet3.1-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libservlet3.1-java-doc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libtomcat8-java",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-admin",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-common",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-docs",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-examples",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-user",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els5",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1786633537",
"aliases": [
"CLSA-2026-1786633537"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "libservlet3.1-java",
"purl": "pkg:deb/tuxcare/libservlet3.1-java?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "libservlet3.1-java-doc",
"purl": "pkg:deb/tuxcare/libservlet3.1-java-doc?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "libtomcat8-java",
"purl": "pkg:deb/tuxcare/libtomcat8-java?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8",
"purl": "pkg:deb/tuxcare/tomcat8?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8-admin",
"purl": "pkg:deb/tuxcare/tomcat8-admin?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8-common",
"purl": "pkg:deb/tuxcare/tomcat8-common?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8-docs",
"purl": "pkg:deb/tuxcare/tomcat8-docs?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8-examples",
"purl": "pkg:deb/tuxcare/tomcat8-examples?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els5"
}
]
}
],
"package": {
"name": "tomcat8-user",
"purl": "pkg:deb/tuxcare/tomcat8-user?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786633537.json"
}
}
],
"modified": "2026-10-26T09:32:01.823455152Z",
"provider": "osv",
"upstream": [
"CVE-2024-23672",
"CVE-2024-56337"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1786633537.html",
"https://nvd.nist.gov/vuln/detail/CVE-2024-23672",
"https://nvd.nist.gov/vuln/detail/CVE-2024-56337"
]
},
"related_cves": [
{
"value": "CVE-2024-23672",
"evidence": "/upstream"
},
{
"value": "CVE-2024-56337",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449407,
"published_at": "2026-08-13T15:05:47+00:00"
}