Description
corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | corosync | corosync 2.4.4 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | corosync | 2.4.4-1 | — |
| Debian 13 | corosync | 2.4.4-1 | — |
| Debian 12 | corosync | 2.4.4-1 | — |
| Debian 9 | corosync | 2.4.2-3+deb9u1 | DSA-4174-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | corosync | 2.4.3-0ubuntu1.1 | USN-4000-1 |
| Ubuntu 16.04 LTS | corosync | 2.3.5-3ubuntu2.3 | USN-4000-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | corosync +4 | 2.4.3-2.el7_5.1 | RHSA-2018:1169 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | corosync | 2.3.6-9.13.1 | SUSE-SU-2018:1121-1 |
| SLES 12 SP2 | corosync | 2.3.5-6.23.1 | SUSE-SU-2018:1130-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | corosync | 2.4.5+git70.64010f57-1.2 | openSUSE-SU-2024:10695-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | corosync +4 | 2.4.3-2.amzn2.1 | ALAS2-2018-1014 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | corosync +4 | 2.4.3-2.el7_5.1 | ELSA-2018-1169 |
Advisories 8
- RHSA-2018:1169 Red Hat Security Advisory: corosync security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-4000-1 corosync vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4174-1 corosync - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10695-1 corosync-2.4.5+git70.64010f57-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1130-1 Security update for corosync SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1121-1 Security update for corosync SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2018-1014 Important: corosync security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 11, 2018
- ELSA-2018-1169 Important: corosync security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 30, 2018
References
- 103758 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084
- DSA-4174 vendor-advisory
- RHSA-2018:1169 vendor-advisory
- USN-4000-1 vendor-advisory
- GLSA-202107-01 vendor-advisory