UnratedFix available
openssh: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2026-106555: reset GSSAPI client state before each authentication attempt (upstream 670510d1) - CVE-2026-106553: store delegated GSSAPI credentials only after successful authorization (upstream 6f9cd19a) - CVE-2026-106583: disallow '$' and '\' in a command-line user name (upstream 0c4c9a7b) - CVE-2026-106585: reject decompressed packets exceeding the maximum packet size (upstream e0f85d83)
- Products
- openssh, openssh-askpass, openssh-cavs, openssh-clients, openssh-keycat, openssh-ldap, openssh-server, openssh-server-sysvinit, pam_ssh_agent_auth
- Affected versions
- Not specified
- Fixed versions
- 0.10.3-2.23.0.5.el7_9.tuxcare.els3, 7.4p1-23.0.5.el7_9.tuxcare.els3
- CVEs
- CVE-2026-106553, CVE-2026-106555, CVE-2026-106583, CVE-2026-106585
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:50 UTC · Revision 1
Source evidence
- CVE-2026-106555: reset GSSAPI client state before each authentication attempt (upstream 670510d1) - CVE-2026-106553: store delegated GSSAPI credentials only after successful authorization (upstream 6f9cd19a) - CVE-2026-106583: disallow '$' and '\' in a command-line user name (upstream 0c4c9a7b) - CVE-2026-106585: reject decompressed packets exceeding the maximum packet size (upstream e0f85d83)
osv:CLSA-2026-1792158099
openssh
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-askpass
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-cavs
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-clients
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-keycat
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-ldap
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-server
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
openssh-server-sysvinit
Fixed versions: 7.4p1-23.0.5.el7_9.tuxcare.els3
pam_ssh_agent_auth
Fixed versions: 0.10.3-2.23.0.5.el7_9.tuxcare.els3
Complete source record
{
"id": "f0bcd4c6ef17ce5916f61369a7d456c65fe483adef1ad9e51b6c71b595f798cc",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792158099",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "openssh: Fix of 4 CVEs",
"summary": "- CVE-2026-106555: reset GSSAPI client state before each authentication attempt (upstream 670510d1) - CVE-2026-106553: store delegated GSSAPI credentials only after successful authorization (upstream 6f9cd19a) - CVE-2026-106583: disallow '$' and '\\' in a command-line user name (upstream 0c4c9a7b) - CVE-2026-106585: reject decompressed packets exceeding the maximum packet size (upstream e0f85d83)",
"evidence": "osv:CLSA-2026-1792158099",
"products": [
{
"name": {
"value": "openssh",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-askpass",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-cavs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-clients",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-keycat",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-ldap",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-server",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-server-sysvinit",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.4p1-23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pam_ssh_agent_auth",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.10.3-2.23.0.5.el7_9.tuxcare.els3",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792158099",
"aliases": [
"CLSA-2026-1792158099"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh",
"purl": "pkg:rpm/tuxcare/openssh?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-askpass",
"purl": "pkg:rpm/tuxcare/openssh-askpass?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-cavs",
"purl": "pkg:rpm/tuxcare/openssh-cavs?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-clients",
"purl": "pkg:rpm/tuxcare/openssh-clients?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-keycat",
"purl": "pkg:rpm/tuxcare/openssh-keycat?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-ldap",
"purl": "pkg:rpm/tuxcare/openssh-ldap?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-server",
"purl": "pkg:rpm/tuxcare/openssh-server?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4p1-23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssh-server-sysvinit",
"purl": "pkg:rpm/tuxcare/openssh-server-sysvinit?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.10.3-2.23.0.5.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "pam_ssh_agent_auth",
"purl": "pkg:rpm/tuxcare/pam_ssh_agent_auth?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792158099.json"
}
}
],
"modified": "2026-10-26T09:43:30.132205570Z",
"provider": "osv",
"upstream": [
"CVE-2026-106553",
"CVE-2026-106555",
"CVE-2026-106583",
"CVE-2026-106585"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1792158099.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-106553",
"https://nvd.nist.gov/vuln/detail/CVE-2026-106555",
"https://nvd.nist.gov/vuln/detail/CVE-2026-106583",
"https://nvd.nist.gov/vuln/detail/CVE-2026-106585"
]
},
"related_cves": [
{
"value": "CVE-2026-106553",
"evidence": "/upstream"
},
{
"value": "CVE-2026-106555",
"evidence": "/upstream"
},
{
"value": "CVE-2026-106583",
"evidence": "/upstream"
},
{
"value": "CVE-2026-106585",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449954,
"published_at": "2026-10-17T12:22:37+00:00"
}