Public Date:
1278380: CVE-2015-8078 cyrus-imapd: Integer overflow in index_urlfetch

The MITRE CVE dictionary describes this issue as:

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the section_offset variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

Find out more about CVE-2015-8078 from the MITRE CVE dictionary dictionary and NIST NVD.


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.

Base Score 5.8
Base Metrics AV:N/AC:M/Au:N/C:N/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package 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

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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