UnratedFix available
Fix CVE(s): CVE-2026-43512, CVE-2026-43513, CVE-2026-43515
Type: advisorySources: OSV
* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: short-cut the null password case in RealmBase.getDigest() - CVE-2026-43512 * SECURITY UPDATE: account lockout bypass via username case variation - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm and normalise usernames before tracking failures - CVE-2026-43513 * SECURITY UPDATE: authorization bypass with extension-based method constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515
- 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.els2
- CVEs
- CVE-2026-43512, CVE-2026-43513, CVE-2026-43515
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:08 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-43512, CVE-2026-43513, CVE-2026-43515
core-osv · Original sourcePublished 8 Jul 2026, 15:55 UTC
* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: short-cut the null password case in RealmBase.getDigest() - CVE-2026-43512 * SECURITY UPDATE: account lockout bypass via username case variation - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm and normalise usernames before tracking failures - CVE-2026-43513 * SECURITY UPDATE: authorization bypass with extension-based method constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515
osv:CLSA-2026-1782900813
libservlet3.1-java
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
libservlet3.1-java-doc
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
libtomcat8-java
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8-admin
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8-common
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8-docs
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8-examples
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
tomcat8-user
Fixed versions: 8.0.32-1ubuntu1.13+tuxcare.els2
Complete source record
{
"id": "a9b2e1516f2906bb2b32efd0936f316b42b65954cb40642b167673e70606a718",
"url": "https://osv.dev/vulnerability/CLSA-2026-1782900813",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-43512, CVE-2026-43513, CVE-2026-43515",
"summary": "* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: short-cut the null password case in RealmBase.getDigest() - CVE-2026-43512 * SECURITY UPDATE: account lockout bypass via username case variation - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm and normalise usernames before tracking failures - CVE-2026-43513 * SECURITY UPDATE: authorization bypass with extension-based method constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515",
"evidence": "osv:CLSA-2026-1782900813",
"products": [
{
"name": {
"value": "libservlet3.1-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.32-1ubuntu1.13+tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"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.els2",
"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.els2",
"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.els2",
"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.els2",
"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.els2",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1782900813",
"aliases": [
"CLSA-2026-1782900813"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.32-1ubuntu1.13+tuxcare.els2"
}
]
}
],
"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-2026-1782900813.json"
}
}
],
"modified": "2026-10-26T09:31:46.800345649Z",
"provider": "osv",
"upstream": [
"CVE-2026-43512",
"CVE-2026-43513",
"CVE-2026-43515"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1782900813.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43512",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43513",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43515"
]
},
"related_cves": [
{
"value": "CVE-2026-43512",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43513",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43515",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448448,
"published_at": "2026-07-08T15:55:53+00:00"
}