CVE-2018-1084

Name: CVE-2018-1084
Creator: NVD / NIST
Published: 2018-04-12T17:29:00.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.17%

Last modified Jun 17, 2026

CVE-2018-1084 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.. EPSS estimates a 3.17% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.17%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Corosync	Corosync	>= 2.3.0, < 2.4.4
Debian	Debian Linux	9.0
Redhat	Enterprise Linux Server	7.0
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04

References

http://www.securityfocus.com/bid/103758Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1169Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/202107-01Third Party Advisory
https://usn.ubuntu.com/4000-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4174Third Party Advisory
http://www.securityfocus.com/bid/103758Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1169Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/202107-01Third Party Advisory
https://usn.ubuntu.com/4000-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4174Third Party Advisory

Timeline

Published: Apr 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1084?

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

How severe is CVE-2018-1084?

CVE-2018-1084 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.17% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1084?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1084?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST