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Red Hat Security Advisory

Synopsis: Important: cyrus-imapd security update
Advisory ID: RHSA-2019:1771-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1771
Issue date: 2019-07-15
CVE Names: CVE-2019-11356
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1. Summary:

An update for cyrus-imapd is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

The cyrus-imapd packages contain a high-performance mail server with IMAP,
POP3, NNTP, and SIEVE support.

Security Fix(es):

* cyrus-imapd: buffer overflow in CalDAV request handling triggered by a
long iCalendar property name (CVE-2019-11356)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1717828 – CVE-2019-11356 cyrus-imapd: buffer overflow in CalDAV request handling triggered by a long iCalendar property name

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
cyrus-imapd-3.0.7-15.el8_0.1.src.rpm

aarch64:
cyrus-imapd-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-debuginfo-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-debugsource-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-utils-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-utils-debuginfo-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-vzic-3.0.7-15.el8_0.1.aarch64.rpm
cyrus-imapd-vzic-debuginfo-3.0.7-15.el8_0.1.aarch64.rpm

ppc64le:
cyrus-imapd-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-debuginfo-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-debugsource-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-utils-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-utils-debuginfo-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-vzic-3.0.7-15.el8_0.1.ppc64le.rpm
cyrus-imapd-vzic-debuginfo-3.0.7-15.el8_0.1.ppc64le.rpm

s390x:
cyrus-imapd-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-debuginfo-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-debugsource-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-utils-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-utils-debuginfo-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-vzic-3.0.7-15.el8_0.1.s390x.rpm
cyrus-imapd-vzic-debuginfo-3.0.7-15.el8_0.1.s390x.rpm

x86_64:
cyrus-imapd-3.0.7-15.el8_0.1.i686.rpm
cyrus-imapd-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-debuginfo-3.0.7-15.el8_0.1.i686.rpm
cyrus-imapd-debuginfo-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-debugsource-3.0.7-15.el8_0.1.i686.rpm
cyrus-imapd-debugsource-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-utils-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-utils-debuginfo-3.0.7-15.el8_0.1.i686.rpm
cyrus-imapd-utils-debuginfo-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-vzic-3.0.7-15.el8_0.1.x86_64.rpm
cyrus-imapd-vzic-debuginfo-3.0.7-15.el8_0.1.i686.rpm
cyrus-imapd-vzic-debuginfo-3.0.7-15.el8_0.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-11356
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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