# CVE-2018-1084: corosync: corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.

CVE-2018-1084 is fixed in 12 products on 1 platform, first by corosync 2.4.3-0ubuntu1.1, released April 11, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-1084
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0311
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 11, 2018

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | corosync Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [corosync 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-corosync-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | corosync-notifyd Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [corosync-notifyd 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-corosync-notifyd-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | corosync-qdevice Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [corosync-qdevice 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-corosync-qdevice-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | corosync-qnetd Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [corosync-qnetd 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-corosync-qnetd-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libcfg6 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libcfg6 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcfg6-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libcmap4 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libcmap4 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcmap4-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libcorosync-common4 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libcorosync-common4 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcorosync-common4-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libcpg4 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libcpg4 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcpg4-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libquorum5 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libquorum5 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libquorum5-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libsam4 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libsam4 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsam4-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libtotem-pg5 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libtotem-pg5 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtotem-pg5-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |
| Linux | libvotequorum8 Ubuntu 18.04.6 LTS (bionic) | 2.4.3-0ubuntu1.1 | [libvotequorum8 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvotequorum8-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo