Red Hat Enterprise Linux: An update for 389-ds-base is now available for Red Hat Enterprise Linux 6.
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.
CVE-2017-2668
RHN Satellite and Proxy: Updated spacewalk-backend package that delivers a configuration setting to relax
whitespace enforcement in the HTTPD running on the Proxy server.
Red Hat Enterprise Linux: Updated nss-util and nss packages that fix several bugs and add various
enhancements are now available for Red Hat Enterprise Linux 6.
Red Hat Enterprise Linux: An update for kernel is now available for Red Hat Enterprise Linux 6.
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.
CVE-2016-7910, CVE-2017-2636
RHN Satellite and Proxy: Updated spacewalk-backend package that delivers a configuration setting to relax
white space enforcement in the HTTPD running on Satellite Server.
A security issue affects these releases of Ubuntu and its
derivatives:
Ubuntu 16.10
Ubuntu 16.04 LTS
Summary
USN-3258-1 introduced a regression in Dovecot.
Software description
dovecot
– IMAP and POP3 email server
Details
USN-3258-1 intended to fix a vulnerability in Dovecot. Further investigation revealed that only Dovecot versions 2.2.26 and newer were affected by the vulnerability. Additionally, the change introduced a regression when Dovecot was configured to use the “dict” authentication database. This update reverts the change. We apologize for the inconvenience.
Original advisory details:
It was discovered that Dovecot incorrectly handled some usernames. An attacker could possibly use this issue to cause Dovecot to hang or crash, resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following
package version: