Not vulnerable. This issue did not affect the versions of cyrus-imapd as shipped with Red Hat Enterprise Linux 5, 6 and 7, as they did not include the patch to fix CVE-2015-8076, which introduced the CVE-2015-8078 issue.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
|Red Hat Enterprise Linux 7||cyrus-imapd||Not affected|
|Red Hat Enterprise Linux 6||cyrus-imapd||Not affected|
|Red Hat Enterprise Linux 5||cyrus-imapd||Not affected|
CVE description copyright © 2017, The MITRE Corporation