Executive Summary

Titlecyrus-imapd security update
NameDSA-4458First vendor Publication2019-06-08
VendorDebianLast vendor Modification2019-06-08
Severity (Vendor) N/ARevision1

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score7.5Attack RangeNetwork
Cvss Impact Score6.4Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores


A flaw was discovered in the CalDAV feature in httpd of the Cyrus IMAP server, leading to denial of service or potentially the execution of arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

For the stable distribution (stretch), this problem has been fixed in version 2.5.10-3+deb9u1.

We recommend that you upgrade your cyrus-imapd packages.

For the detailed security status of cyrus-imapd please refer to its security tracker page at: https://security-tracker.debian.org/tracker/cyrus-imapd

Original Source

Url : http://www.debian.org/security/2019/dsa-4458

CWE : Common Weakness Enumeration

100 %CWE-119Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration


Alert History

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2019-06-08 09:18:27
  • First insertion