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redhatRedHatRHSA-2017:2838
HistoryOct 02, 2017 - 1:34 p.m.

(RHSA-2017:2838) Critical: dnsmasq security update

2017-10-0213:34:58
access.redhat.com
92

EPSS

0.303

Percentile

97.0%

JSON

The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.

Security Fix(es):

  • A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. (CVE-2017-14491)

Red Hat would like to thank Felix Wilhelm (Google Security Team), Fermin J. Serna (Google Security Team), Gabriel Campana (Google Security Team), Kevin Hamacher (Google Security Team), and Ron Bowes (Google Security Team) for reporting this issue.

OSVersionArchitecturePackageVersionFilename
RedHat6ppc64dnsmasq-debuginfo< 2.48-18.el6_9dnsmasq-debuginfo-2.48-18.el6_9.ppc64.rpm
RedHat6ppc64dnsmasq< 2.48-18.el6_9dnsmasq-2.48-18.el6_9.ppc64.rpm
RedHat6s390xdnsmasq-utils< 2.48-18.el6_9dnsmasq-utils-2.48-18.el6_9.s390x.rpm
RedHat6i686dnsmasq-debuginfo< 2.48-18.el6_9dnsmasq-debuginfo-2.48-18.el6_9.i686.rpm
RedHat6ppc64dnsmasq-utils< 2.48-18.el6_9dnsmasq-utils-2.48-18.el6_9.ppc64.rpm
RedHat6i686dnsmasq< 2.48-18.el6_9dnsmasq-2.48-18.el6_9.i686.rpm
RedHat6x86_64dnsmasq< 2.48-18.el6_9dnsmasq-2.48-18.el6_9.x86_64.rpm
RedHat6i686dnsmasq-utils< 2.48-18.el6_9dnsmasq-utils-2.48-18.el6_9.i686.rpm
RedHat6x86_64dnsmasq-utils< 2.48-18.el6_9dnsmasq-utils-2.48-18.el6_9.x86_64.rpm
RedHat6s390xdnsmasq< 2.48-18.el6_9dnsmasq-2.48-18.el6_9.s390x.rpm
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