RHBA-2011:1658 - Bug Fix Advisory

Topic

An updated python-netaddr package that fixes a bug is now available for Red Hat
Enterprise Linux 6.

Description

The python-netaddr package provides a network address representation and
manipulation library for Python. The netaddr library allows Python applications
to work with IPv4 and IPv6 addresses, subnetworks, non-aligned IP address ranges
and sets, MAC addresses, Organizationally Unique Identifiers (OUI), Individual
Address Blocks (IAB), and IEEE EUI-64 identifiers.

This updated python-netaddr package fixes the following bug:

• Prior to this update, if an IPNetwork object was instantiated with bad data,

the python-netaddr code tried to access an unbound local variable and the
erroneous exception "UnboundLocalError" was raised. It should raise the
AddrFormatError exception instead. Consequently a user of python-netaddr had to
check for all exceptions instead of just "netaddr.core.AddrFormatError". With
this update the code is corrected and functions as expected in the scenario
described. (BZ#710373)

All users of python-netaddr are advised to upgrade to this updated package,
which fixes this bug.

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/kb/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

• BZ - 710373 - Bad exception on entering invalid netaddr.IPNetwork

CVEs

(none)

References

(none)