Important: corosync security update
The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fix(es): * corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (CVE-2026-81665) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
ALSA-2026:67872
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:ALSA-2026:67872
corosync
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 3.1.10-1.el10_2.2
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
corosync-vqsim
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 3.1.10-1.el10_2.2
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
corosynclib
Source reference: /affected/2/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 3.1.10-1.el10_2.2
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
corosynclib-devel
Source reference: /affected/3/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 3.1.10-1.el10_2.2
Source reference:
/affected/3/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.10-1.el10_2.2"
}
]
}
],
"package": {
"name": "corosync",
"purl": "pkg:rpm/almalinux/corosync",
"ecosystem": "AlmaLinux:10"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67872.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.10-1.el10_2.2"
}
]
}
],
"package": {
"name": "corosync-vqsim",
"purl": "pkg:rpm/almalinux/corosync-vqsim",
"ecosystem": "AlmaLinux:10"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67872.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.10-1.el10_2.2"
}
]
}
],
"package": {
"name": "corosynclib",
"purl": "pkg:rpm/almalinux/corosynclib",
"ecosystem": "AlmaLinux:10"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67872.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.10-1.el10_2.2"
}
]
}
],
"package": {
"name": "corosynclib-devel",
"purl": "pkg:rpm/almalinux/corosynclib-devel",
"ecosystem": "AlmaLinux:10"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67872.json"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #37680 · Revision 1
- Added to Heist Feed
- Publisher date