UnratedFix available
Fix CVE(s): CVE-2026-73282
Type: advisorySources: OSV
* SECURITY UPDATE: remote forwarding realloc use-after-free - debian/patches/CVE-2026-73282.patch: resolve remote forwarding confirmations by index instead of storing pointers that can be invalidated by later multiplexed forwarding requests, and count only the startup requests when deferring the post-authentication fork - CVE-2026-73282
- Products
- openssh-client, openssh-client-ssh1, openssh-server, openssh-sftp-server, ssh, ssh-askpass-gnome, ssh-krb5
- Affected versions
- Not specified
- Fixed versions
- 2:7.2p2-4ubuntu2.10+tuxcare.els11
- CVEs
- CVE-2026-73282
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:39 UTC · Revision 1
Source evidence
* SECURITY UPDATE: remote forwarding realloc use-after-free - debian/patches/CVE-2026-73282.patch: resolve remote forwarding confirmations by index instead of storing pointers that can be invalidated by later multiplexed forwarding requests, and count only the startup requests when deferring the post-authentication fork - CVE-2026-73282
osv:CLSA-2026-1789380838
openssh-client
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
openssh-client-ssh1
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
openssh-server
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
openssh-sftp-server
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
ssh
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
ssh-askpass-gnome
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
ssh-krb5
Fixed versions: 2:7.2p2-4ubuntu2.10+tuxcare.els11
Complete source record
{
"id": "17bb6a51566665560162e766946c49803ec00675a5b713e1a048f60907c20848",
"url": "https://osv.dev/vulnerability/CLSA-2026-1789380838",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-73282",
"summary": "* SECURITY UPDATE: remote forwarding realloc use-after-free - debian/patches/CVE-2026-73282.patch: resolve remote forwarding confirmations by index instead of storing pointers that can be invalidated by later multiplexed forwarding requests, and count only the startup requests when deferring the post-authentication fork - CVE-2026-73282",
"evidence": "osv:CLSA-2026-1789380838",
"products": [
{
"name": {
"value": "openssh-client",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-client-ssh1",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-server",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssh-sftp-server",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ssh",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ssh-askpass-gnome",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ssh-krb5",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:7.2p2-4ubuntu2.10+tuxcare.els11",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1789380838",
"aliases": [
"CLSA-2026-1789380838"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "openssh-client",
"purl": "pkg:deb/tuxcare/openssh-client?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "openssh-client-ssh1",
"purl": "pkg:deb/tuxcare/openssh-client-ssh1?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "openssh-server",
"purl": "pkg:deb/tuxcare/openssh-server?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "openssh-sftp-server",
"purl": "pkg:deb/tuxcare/openssh-sftp-server?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "ssh",
"purl": "pkg:deb/tuxcare/ssh?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "ssh-askpass-gnome",
"purl": "pkg:deb/tuxcare/ssh-askpass-gnome?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-2026-1789380838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:7.2p2-4ubuntu2.10+tuxcare.els11"
}
]
}
],
"package": {
"name": "ssh-krb5",
"purl": "pkg:deb/tuxcare/ssh-krb5?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-2026-1789380838.json"
}
}
],
"modified": "2026-10-26T09:32:02.419114073Z",
"provider": "osv",
"upstream": [
"CVE-2026-73282"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1789380838.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-73282"
]
},
"related_cves": [
{
"value": "CVE-2026-73282",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449444,
"published_at": "2026-09-14T10:14:09+00:00"
}