Issued:

2015-01-28

Updated:

2015-01-28

RHSA-2015:0100 - Moderate: libyaml security update

Synopsis

Moderate: libyaml security update

Type/Severity

Security Advisory Moderate

Topic

Updated libyaml packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7.

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

Description

YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C.

An assertion failure was found in the way the libyaml library parsed wrapped strings. An attacker able to load specially crafted YAML input into an application using libyaml could cause the application to crash. (CVE-2014-9130)

All libyaml users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against the libyaml library must be restarted for this update to take effect.

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258

Affected Products

Updated Packages

• libyaml-0.1.4-11.el7_0.i686.rpm
• libyaml-0.1.3-4.el6_6.s390.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.i686.rpm
• libyaml-devel-0.1.4-11.el7_0.ppc.rpm
• libyaml-devel-0.1.3-4.el6_6.ppc.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.s390.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.ppc64.rpm
• libyaml-0.1.4-11.el7_0.x86_64.rpm
• libyaml-devel-0.1.4-11.el7_0.ppc64.rpm
• libyaml-devel-0.1.3-4.el6_6.s390.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.s390x.rpm
• libyaml-0.1.4-11.el7_0.src.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.s390.rpm
• libyaml-0.1.3-4.el6_6.i686.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.s390x.rpm
• libyaml-devel-0.1.4-11.el7_0.s390x.rpm
• libyaml-devel-0.1.4-11.el7_0.s390.rpm
• libyaml-0.1.4-11.el7_0.s390x.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.ppc.rpm
• libyaml-devel-0.1.3-4.el6_6.ppc64.rpm
• libyaml-0.1.4-11.el7_0.s390.rpm
• libyaml-0.1.4-11.el7_0.ppc.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.x86_64.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm
• libyaml-devel-0.1.3-4.el6_6.x86_64.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.ppc.rpm
• libyaml-devel-0.1.4-11.el7_0.x86_64.rpm
• libyaml-0.1.3-4.el6_6.ppc64.rpm
• libyaml-0.1.4-11.el7_0.ppc64.rpm
• libyaml-0.1.3-4.el6_6.s390x.rpm
• libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm
• libyaml-0.1.3-4.el6_6.ppc.rpm
• libyaml-devel-0.1.4-11.el7_0.i686.rpm
• libyaml-devel-0.1.3-4.el6_6.i686.rpm
• libyaml-0.1.3-4.el6_6.x86_64.rpm
• libyaml-0.1.3-4.el6_6.src.rpm
• libyaml-debuginfo-0.1.4-11.el7_0.ppc64.rpm
• libyaml-devel-0.1.3-4.el6_6.s390x.rpm

Fixes

• This content is not included.BZ - 1169369

CVEs

• CVE-2014-9130

References

• https://access.redhat.com/security/updates/classification/#moderate

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.