nss security update

CentOS Errata and Security Advisory CESA-2015:1699

Network Security Services (NSS) is a set of libraries designed to support
cross-platform development of security-enabled client and server
applications.

A flaw was found in the way NSS verified certain ECDSA (Elliptic Curve
Digital Signature Algorithm) signatures. Under certain conditions, an
attacker could use this flaw to conduct signature forgery attacks.
(CVE-2015-2730)

Red Hat would like to thank the Mozilla project for reporting this issue.
Upstream acknowledges Watson Ladd as the original reporter of this issue.

All nss-softokn users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2015-September/083519.html
https://lists.centos.org/pipermail/centos-announce/2015-September/083524.html

Affected packages:
nss-softokn
nss-softokn-devel
nss-softokn-freebl
nss-softokn-freebl-devel

Upstream details at:
https://access.redhat.com/errata/RHSA-2015:1699