Fix of 7 CVEs
* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: fix the handling of invalid users with DIGEST authentication - CVE-2026-43512 * SECURITY UPDATE: add case sensitive attribute to LockOutRealm - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm - CVE-2026-43513 * SECURITY UPDATE: switch AJP secret comparison to a constant time algorithm - debian/patches/CVE-2026-43514.patch: switch AJP secret comparison to a constant time algorithm - CVE-2026-43514 * SECURITY UPDATE: ensure RealmBase finds all matching extension based constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515 * SECURITY UPDATE: add a configurable limit for WebDAV XML request bodies - debian/patches/CVE-2026-41284.patch: add a configurable limit for WebDAV XML request bodies - CVE-2026-41284 * SECURITY UPDATE: fix WebSocket + proxy + DIGEST auth on proxy - debian/patches/CVE-2026-42498.patch: fix WebSocket + proxy + DIGEST auth on proxy - CVE-2026-42498 * SECURITY UPDATE: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - debian/patches/CVE-2026-41293.patch: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - CVE-2026-41293 * Build: refresh debian/test_certs/ test fixtures (CA + RSA/EC server certs + client
- Products
- libtomcat8-embed-java, libtomcat8-java, tomcat8, tomcat8-admin, tomcat8-common, tomcat8-docs, tomcat8-examples, tomcat8-user
- Affected versions
- Not specified
- Fixed versions
- 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
- CVEs
- CVE-2026-41284, CVE-2026-41293, CVE-2026-42498, CVE-2026-43512, CVE-2026-43513, CVE-2026-43514, CVE-2026-43515
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:50 UTC · Revision 1
Source evidence
* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: fix the handling of invalid users with DIGEST authentication - CVE-2026-43512 * SECURITY UPDATE: add case sensitive attribute to LockOutRealm - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm - CVE-2026-43513 * SECURITY UPDATE: switch AJP secret comparison to a constant time algorithm - debian/patches/CVE-2026-43514.patch: switch AJP secret comparison to a constant time algorithm - CVE-2026-43514 * SECURITY UPDATE: ensure RealmBase finds all matching extension based constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515 * SECURITY UPDATE: add a configurable limit for WebDAV XML request bodies - debian/patches/CVE-2026-41284.patch: add a configurable limit for WebDAV XML request bodies - CVE-2026-41284 * SECURITY UPDATE: fix WebSocket + proxy + DIGEST auth on proxy - debian/patches/CVE-2026-42498.patch: fix WebSocket + proxy + DIGEST auth on proxy - CVE-2026-42498 * SECURITY UPDATE: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - debian/patches/CVE-2026-41293.patch: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - CVE-2026-41293 * Build: refresh debian/test_certs/ test fixtures (CA + RSA/EC server certs + client
osv:CLSA-2026-1780649787
libtomcat8-embed-java
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
libtomcat8-java
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8-admin
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8-common
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8-docs
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8-examples
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
tomcat8-user
Fixed versions: 8.5.100-1ubuntu1~18.04.1+tuxcare.els3
Complete source record
{
"id": "7c4f5a52fed0de8c212893b54b5ab31e2eecec46c88064f543a6b6b5e1b6b088",
"url": "https://osv.dev/vulnerability/CLSA-2026-1780649787",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix of 7 CVEs",
"summary": "* SECURITY UPDATE: fix the handling of invalid users with DIGEST authentication - debian/patches/CVE-2026-43512.patch: fix the handling of invalid users with DIGEST authentication - CVE-2026-43512 * SECURITY UPDATE: add case sensitive attribute to LockOutRealm - debian/patches/CVE-2026-43513.patch: add case sensitive attribute to LockOutRealm - CVE-2026-43513 * SECURITY UPDATE: switch AJP secret comparison to a constant time algorithm - debian/patches/CVE-2026-43514.patch: switch AJP secret comparison to a constant time algorithm - CVE-2026-43514 * SECURITY UPDATE: ensure RealmBase finds all matching extension based constraints - debian/patches/CVE-2026-43515.patch: ensure RealmBase finds all matching extension based constraints - CVE-2026-43515 * SECURITY UPDATE: add a configurable limit for WebDAV XML request bodies - debian/patches/CVE-2026-41284.patch: add a configurable limit for WebDAV XML request bodies - CVE-2026-41284 * SECURITY UPDATE: fix WebSocket + proxy + DIGEST auth on proxy - debian/patches/CVE-2026-42498.patch: fix WebSocket + proxy + DIGEST auth on proxy - CVE-2026-42498 * SECURITY UPDATE: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - debian/patches/CVE-2026-41293.patch: HTTP/2 header filtering - validate decoded HPACK names/values against RFC 7230 token/field-vchar/field-content rules - CVE-2026-41293 * Build: refresh debian/test_certs/ test fixtures (CA + RSA/EC server certs + client ",
"evidence": "osv:CLSA-2026-1780649787",
"products": [
{
"name": {
"value": "libtomcat8-embed-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libtomcat8-java",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-admin",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-common",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-docs",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-examples",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat8-user",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1780649787",
"aliases": [
"CLSA-2026-1780649787"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "libtomcat8-embed-java",
"purl": "pkg:deb/tuxcare/libtomcat8-embed-java?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "libtomcat8-java",
"purl": "pkg:deb/tuxcare/libtomcat8-java?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat8",
"purl": "pkg:deb/tuxcare/tomcat8?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat8-admin",
"purl": "pkg:deb/tuxcare/tomcat8-admin?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "tomcat8-common",
"purl": "pkg:deb/tuxcare/tomcat8-common?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat8-docs",
"purl": "pkg:deb/tuxcare/tomcat8-docs?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat8-examples",
"purl": "pkg:deb/tuxcare/tomcat8-examples?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.5.100-1ubuntu1~18.04.1+tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat8-user",
"purl": "pkg:deb/tuxcare/tomcat8-user?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780649787.json"
}
}
],
"modified": "2026-10-26T09:43:31.532100150Z",
"provider": "osv",
"upstream": [
"CVE-2026-41284",
"CVE-2026-41293",
"CVE-2026-42498",
"CVE-2026-43512",
"CVE-2026-43513",
"CVE-2026-43514",
"CVE-2026-43515"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1780649787.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-41284",
"https://nvd.nist.gov/vuln/detail/CVE-2026-41293",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42498",
"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-2026-43514",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43515"
]
},
"related_cves": [
{
"value": "CVE-2026-41284",
"evidence": "/upstream"
},
{
"value": "CVE-2026-41293",
"evidence": "/upstream"
},
{
"value": "CVE-2026-42498",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43512",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43513",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43514",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43515",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449976,
"published_at": "2026-06-05T08:56:53+00:00"
}