What’s Vulnerable › Vulnerabilities

CVE-2018-1084

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-12 · updated 2026-06-17
• Weakness: CWE-190

Description

corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04
• Corosync: from 2.3.0 before 2.4.4 — fixed in 2.4.4
• Debian Linux: 9.0
• RedHat Enterprise Linux Server: 7.0

How to fix

Upgrade to a fixed version: Corosync 2.4.4. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/103758
• https://access.redhat.com/errata/RHSA-2018:1169
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084
• https://security.gentoo.org/glsa/202107-01
• https://usn.ubuntu.com/4000-1/
• https://www.debian.org/security/2018/dsa-4174
• http://www.securityfocus.com/bid/103758
• https://access.redhat.com/errata/RHSA-2018:1169
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084
• https://security.gentoo.org/glsa/202107-01
• https://usn.ubuntu.com/4000-1/
• https://www.debian.org/security/2018/dsa-4174

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