CVE-2026-81666 Corosync: corosync: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems
| Reporter | Title | Published | Views | Family All 27 |
|---|---|---|---|---|
 | CVE-2026-81666 | 4 Sep 202609:46 | – | cve |
 | CVE-2026-81666 | 4 Sep 202609:46 | – | debiancve |
 | EUVD-2026-70987 | 4 Sep 202609:46 | – | euvd |
 | [SECURITY] Fedora 45 Update: corosync-3.1.10-8.fc45 | 11 Sep 202619:08 | – | fedora |
| [SECURITY] Fedora 44 Update: corosync-3.1.10-6.fc44 | 8 Sep 202601:13 | – | fedora |
| [SECURITY] Fedora 43 Update: corosync-3.1.10-3.fc43 | 11 Sep 202601:27 | – | fedora |
 | Fedora 43 : corosync (2026-c0427570d6) | 11 Sep 202600:00 | – | nessus |
| Fedora 44 : corosync (2026-e97124c200) | 8 Sep 202600:00 | – | nessus |
| Fedora 45 : corosync (2026-ef5ca6ecf7) | 11 Sep 202600:00 | – | nessus |
| openSUSE 16 Security Update : corosync (openSUSE-SU-2026:21887-1) | 25 Sep 202600:00 | – | nessus |
10
[
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "corosync",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "corosync",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "corosync",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "corosync",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rhcos",
"defaultStatus": "affected",
"cpes": [
"cpe:/a:redhat:openshift:4"
]
}
]| Source | Link |
|---|---|
| access | www.access.redhat.com/security/cve/CVE-2026-81666 |
| bugzilla | www.bugzilla.redhat.com/show_bug.cgi |
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04 Sep 2026 09:46Current
CVSS 3.16.5
EPSS0.00311
SSVC