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TI-2018-01003 Aliases CVE-2018-1084GHSA-4gvp-pc33-4ccc

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

Priority LOW 38CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.03113 87th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
unspecifiedcorosynccorosync 2.4.4—No fix listedCNA
  • corosync Vendorunspecified Affected corosync 2.4.4 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:corosync:corosync:*:*:*:*:*:*:*:*2.3.0 to before 2.4.4VulnerableCorosync
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:corosync:corosync:*:*:*:*:*:*:*:* Versions 2.3.0 to before 2.4.4 Vulnerable ·Corosync
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical

Remediation

Red Hat 1 advisory

  • RHSA-2018:1169 Released 2018-04-17 · Red Hat rating Important
    corosync security update
    • Red Hat Enterprise Linux Server High Availability (v. 7) corosync-2.4.3-2.el7_5.1, corosync-qdevice-2.4.3-2.el7_5.1, corosync-qnetd-2.4.3-2.el7_5.1 +2
    • Red Hat Enterprise Linux Server Resilient Storage (v. 7) corosync-2.4.3-2.el7_5.1, corosync-qdevice-2.4.3-2.el7_5.1, corosync-qnetd-2.4.3-2.el7_5.1 +2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Storage 3AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Server High Availability (v. 7)Fixed RHSA-2018:1169
Red Hat Enterprise Linux Server Resilient Storage (v. 7)Fixed RHSA-2018:1169
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1084
  2. 2026-10-03 Alias added: GHSA-4gvp-pc33-4ccc

References

Patch 1

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences