UnratedFix available
podman: Fix of CVE-2026-42508
Type: advisorySources: OSV
- CVE-2026-42508: fix revoked SignatureKey not checked for revocation in vendored golang.org/x/crypto/ssh/knownhosts
- Products
- podman, podman-docker, podman-plugins, podman-remote, podman-tests
- Affected versions
- Not specified
- Fixed versions
- 5:5.4.0-13.el9_6.tuxcare.els12
- CVEs
- CVE-2026-42508
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:51 UTC · Revision 1
Source evidence
- CVE-2026-42508: fix revoked SignatureKey not checked for revocation in vendored golang.org/x/crypto/ssh/knownhosts
osv:CLSA-2026-1784307446
podman
Fixed versions: 5:5.4.0-13.el9_6.tuxcare.els12
podman-docker
Fixed versions: 5:5.4.0-13.el9_6.tuxcare.els12
podman-plugins
Fixed versions: 5:5.4.0-13.el9_6.tuxcare.els12
podman-remote
Fixed versions: 5:5.4.0-13.el9_6.tuxcare.els12
podman-tests
Fixed versions: 5:5.4.0-13.el9_6.tuxcare.els12
Complete source record
{
"id": "ba67827d53be21ce7351c139a2a4bad48e0b87f79032733b3e626635f4673695",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784307446",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "podman: Fix of CVE-2026-42508",
"summary": "- CVE-2026-42508: fix revoked SignatureKey not checked for revocation in vendored golang.org/x/crypto/ssh/knownhosts",
"evidence": "osv:CLSA-2026-1784307446",
"products": [
{
"name": {
"value": "podman",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5:5.4.0-13.el9_6.tuxcare.els12",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "podman-docker",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5:5.4.0-13.el9_6.tuxcare.els12",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "podman-plugins",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5:5.4.0-13.el9_6.tuxcare.els12",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "podman-remote",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5:5.4.0-13.el9_6.tuxcare.els12",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "podman-tests",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5:5.4.0-13.el9_6.tuxcare.els12",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784307446",
"aliases": [
"CLSA-2026-1784307446"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.4.0-13.el9_6.tuxcare.els12"
}
]
}
],
"package": {
"name": "podman",
"purl": "pkg:rpm/tuxcare/podman?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784307446.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.4.0-13.el9_6.tuxcare.els12"
}
]
}
],
"package": {
"name": "podman-docker",
"purl": "pkg:rpm/tuxcare/podman-docker?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784307446.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.4.0-13.el9_6.tuxcare.els12"
}
]
}
],
"package": {
"name": "podman-plugins",
"purl": "pkg:rpm/tuxcare/podman-plugins?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784307446.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.4.0-13.el9_6.tuxcare.els12"
}
]
}
],
"package": {
"name": "podman-remote",
"purl": "pkg:rpm/tuxcare/podman-remote?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784307446.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.4.0-13.el9_6.tuxcare.els12"
}
]
}
],
"package": {
"name": "podman-tests",
"purl": "pkg:rpm/tuxcare/podman-tests?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784307446.json"
}
}
],
"modified": "2026-10-26T09:31:18.395577586Z",
"provider": "osv",
"upstream": [
"CVE-2026-42508"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1784307446.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42508"
]
},
"related_cves": [
{
"value": "CVE-2026-42508",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447582,
"published_at": "2026-07-17T16:57:48+00:00"
}