UnratedFix available
corosync: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2025-30472: stack buffer overflow in orf_token_endian_convert() - CVE-2026-35091: out-of-bounds read via check_memb_commit_token_sanity() - CVE-2026-35092: integer overflow in check_memb_join_sanity() - CVE-2026-81665: heap buffer overflow in totempg_deliver_fn()
- Products
- corosync, corosync-vqsim, corosynclib, corosynclib-devel, spausedd
- Affected versions
- Not specified
- Fixed versions
- 3.1.5-1.el8.tuxcare.els1
- CVEs
- CVE-2025-30472, CVE-2026-35091, CVE-2026-35092, CVE-2026-81665
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:20 UTC · Revision 1
Source evidence
- CVE-2025-30472: stack buffer overflow in orf_token_endian_convert() - CVE-2026-35091: out-of-bounds read via check_memb_commit_token_sanity() - CVE-2026-35092: integer overflow in check_memb_join_sanity() - CVE-2026-81665: heap buffer overflow in totempg_deliver_fn()
osv:CLSA-2026-1792622946
corosync
Fixed versions: 3.1.5-1.el8.tuxcare.els1
corosync-vqsim
Fixed versions: 3.1.5-1.el8.tuxcare.els1
corosynclib
Fixed versions: 3.1.5-1.el8.tuxcare.els1
corosynclib-devel
Fixed versions: 3.1.5-1.el8.tuxcare.els1
spausedd
Fixed versions: 3.1.5-1.el8.tuxcare.els1
Complete source record
{
"id": "5562ba384b03586935982cf34c2f07ad7639b31751ee2ccea0dd4d87767354b7",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792622946",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "corosync: Fix of 4 CVEs",
"summary": "- CVE-2025-30472: stack buffer overflow in orf_token_endian_convert() - CVE-2026-35091: out-of-bounds read via check_memb_commit_token_sanity() - CVE-2026-35092: integer overflow in check_memb_join_sanity() - CVE-2026-81665: heap buffer overflow in totempg_deliver_fn()",
"evidence": "osv:CLSA-2026-1792622946",
"products": [
{
"name": {
"value": "corosync",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.5-1.el8.tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "corosync-vqsim",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.5-1.el8.tuxcare.els1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "corosynclib",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.5-1.el8.tuxcare.els1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "corosynclib-devel",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.5-1.el8.tuxcare.els1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "spausedd",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.5-1.el8.tuxcare.els1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792622946",
"aliases": [
"CLSA-2026-1792622946"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.5-1.el8.tuxcare.els1"
}
]
}
],
"package": {
"name": "corosync",
"purl": "pkg:rpm/tuxcare/corosync?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1792622946.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.5-1.el8.tuxcare.els1"
}
]
}
],
"package": {
"name": "corosync-vqsim",
"purl": "pkg:rpm/tuxcare/corosync-vqsim?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1792622946.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.5-1.el8.tuxcare.els1"
}
]
}
],
"package": {
"name": "corosynclib",
"purl": "pkg:rpm/tuxcare/corosynclib?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1792622946.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.5-1.el8.tuxcare.els1"
}
]
}
],
"package": {
"name": "corosynclib-devel",
"purl": "pkg:rpm/tuxcare/corosynclib-devel?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1792622946.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.5-1.el8.tuxcare.els1"
}
]
}
],
"package": {
"name": "spausedd",
"purl": "pkg:rpm/tuxcare/spausedd?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1792622946.json"
}
}
],
"modified": "2026-10-26T09:31:52.281856784Z",
"provider": "osv",
"upstream": [
"CVE-2025-30472",
"CVE-2026-35091",
"CVE-2026-35092",
"CVE-2026-81665"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1792622946.html",
"https://nvd.nist.gov/vuln/detail/CVE-2025-30472",
"https://nvd.nist.gov/vuln/detail/CVE-2026-35091",
"https://nvd.nist.gov/vuln/detail/CVE-2026-35092",
"https://nvd.nist.gov/vuln/detail/CVE-2026-81665"
]
},
"related_cves": [
{
"value": "CVE-2025-30472",
"evidence": "/upstream"
},
{
"value": "CVE-2026-35091",
"evidence": "/upstream"
},
{
"value": "CVE-2026-35092",
"evidence": "/upstream"
},
{
"value": "CVE-2026-81665",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448772,
"published_at": "2026-10-21T22:49:17+00:00"
}