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Red Hat Product Errata RHBA-2015:1273 - Bug Fix Advisory
Issued:
2015-07-22
Updated:
2015-07-22

RHBA-2015:1273 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

zsh bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated zsh packages that fix several bugs and add various enhancements are now
available for Red Hat Enterprise Linux 6.

Description

The zsh shell is a command interpreter usable as an interactive login shell and
as a shell script command processor. Zsh resembles the ksh shell (the Korn
shell), but includes many enhancements. Zsh supports command-line editing,
built-in spelling correction, programmable command completion, shell functions
(with autoloading), a history mechanism, and more.

The zsh packages have been upgraded to upstream version 4.3.11, which provides a
number of bug fixes and enhancements over the previous version. Notably, the
upgrade includes the following changes:

  • Parameter expansion has been enhanced to provide the ${NAME:OFFSET} and

${NAME:OFFSET:LENGTH} syntaxes for substrings and subarrays present in several
other shells.

  • Numeric expansion with braces has been extended, which allows users to specify

a step in the numeric expansion, for example {3..9..2}. (BZ#1132710)

This update also fixes the following bugs:

  • Prior to this update, when the "jobs -Z" built-in zsh command was invoked,

some environment variables were overwritten. An upstream patch has been applied
to preserve the environment variables when "jobs -Z" is run, thus fixing this
bug. (BZ#878324)

  • Due to a parser error, the zsh shell previously interpreted variable

assignments as other commands, and attempted to execute them when zsh was
running in ksh compatibility mode. This update modifies the underlying code to
interpret variable assignments as expected in the described situation.
(BZ#1146119)

  • Prior to this update, the speed of the pattern matching in the zsh shell

decreased when multiple subsequent occurrences of the "*" wildcard symbol were
used in a pattern. An upstream patch has been applied on zsh source code to
optimize the implementation of pattern matching in zsh with redundant "*"
symbols in the pattern. As a result, the speed of pattern matching in zsh is no
longer affected by the count of subsequent "*" symbols. (BZ#1131172)

  • An incorrect comment in the /etc/zshenv configuration file caused that the

users erroneously expected that the file takes no effect if the zsh shell is
started with the "-f" option. The comment in the /etc/zshenv file has been
changed to describe the configuration file correctly. (BZ#1103697)

  • When processing overly-long input data, the zsh shell terminated unexpectedly

because of a stack-based buffer overflow. With this update, arrays of variable
sizes are allocated on heap memory instead of stack memory, thus fixing the bug.
(BZ#567215)

  • Prior to this update, the description of emulation mode in the zsh man page

was incomplete. With this update, the documentation has been updated to provide
users with more information about the command that starts emulation mode.
(BZ#1104021)

Users of zsh are advised to upgrade to these updated packages, which fix these
bugs and add these enhancements.

Solution

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

Fixes

  • BZ - 1132710 - rebase zsh to 4.3.11

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a
i386
zsh-4.3.11-4.el6.i686.rpm SHA-256: c4a4058c895c69e84e64fcaa981d326f31ad1763986694e9a260eb952230fee2
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-html-4.3.11-4.el6.i686.rpm SHA-256: c3e54019f91523d72718cfea74323c707e53a5579162be5be11552b0c8423bff

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
i386
zsh-4.3.11-4.el6.i686.rpm SHA-256: c4a4058c895c69e84e64fcaa981d326f31ad1763986694e9a260eb952230fee2
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-html-4.3.11-4.el6.i686.rpm SHA-256: c3e54019f91523d72718cfea74323c707e53a5579162be5be11552b0c8423bff
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a

Red Hat Enterprise Linux Workstation 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a
i386
zsh-4.3.11-4.el6.i686.rpm SHA-256: c4a4058c895c69e84e64fcaa981d326f31ad1763986694e9a260eb952230fee2
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-html-4.3.11-4.el6.i686.rpm SHA-256: c3e54019f91523d72718cfea74323c707e53a5579162be5be11552b0c8423bff

Red Hat Enterprise Linux Desktop 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a
i386
zsh-4.3.11-4.el6.i686.rpm SHA-256: c4a4058c895c69e84e64fcaa981d326f31ad1763986694e9a260eb952230fee2
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-html-4.3.11-4.el6.i686.rpm SHA-256: c3e54019f91523d72718cfea74323c707e53a5579162be5be11552b0c8423bff

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
s390x
zsh-4.3.11-4.el6.s390x.rpm SHA-256: f24f57a6e0c8e5441fbafb26aac9a3fdd1ed8521399c9f2335057fe3215980b1
zsh-debuginfo-4.3.11-4.el6.s390x.rpm SHA-256: 774feb687420af731a8b2f21f2999660c6129d1db871ae9eb6c590172e369290
zsh-debuginfo-4.3.11-4.el6.s390x.rpm SHA-256: 774feb687420af731a8b2f21f2999660c6129d1db871ae9eb6c590172e369290
zsh-html-4.3.11-4.el6.s390x.rpm SHA-256: 127a7d07028693b71609abd86b9a2dbc7172a4529be5c02f60defdb98122ca6a

Red Hat Enterprise Linux for Power, big endian 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
ppc64
zsh-4.3.11-4.el6.ppc64.rpm SHA-256: 22bc66a2bf502221b34057290b17751b9d53810f5f84498a81898060dba1cd83
zsh-debuginfo-4.3.11-4.el6.ppc64.rpm SHA-256: 24388c264ba364ddbc058e74ce75d7536a601a8256a0417ae7e4bae69f0025f1
zsh-debuginfo-4.3.11-4.el6.ppc64.rpm SHA-256: 24388c264ba364ddbc058e74ce75d7536a601a8256a0417ae7e4bae69f0025f1
zsh-html-4.3.11-4.el6.ppc64.rpm SHA-256: 081b323621b6690a781cda723ff10f7f72fd1daf172bd7745a061b459b3f82de

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a

Red Hat Enterprise Linux Server from RHUI 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
x86_64
zsh-4.3.11-4.el6.x86_64.rpm SHA-256: 3e135322f752b356e45db2516d3fc8bd5eeddd6b533ae28f2e8a756417141234
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-debuginfo-4.3.11-4.el6.x86_64.rpm SHA-256: f725e106bdbc1db808b4c0c4a6a4e36668db6442171462dd6dc5561aa62b8783
zsh-html-4.3.11-4.el6.x86_64.rpm SHA-256: cc7b20c9cebe5ed02317b2e7f964bab720ebff99a543af39457e10cda986848a
i386
zsh-4.3.11-4.el6.i686.rpm SHA-256: c4a4058c895c69e84e64fcaa981d326f31ad1763986694e9a260eb952230fee2
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-debuginfo-4.3.11-4.el6.i686.rpm SHA-256: 5ff1fce8563874faa810c47d6dd03e01ced8e2cb3f1963faaa5542cddd806191
zsh-html-4.3.11-4.el6.i686.rpm SHA-256: c3e54019f91523d72718cfea74323c707e53a5579162be5be11552b0c8423bff

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
zsh-4.3.11-4.el6.src.rpm SHA-256: 442d784b134efa10970a1e03dbe70534061c6ed5f8acbedb07d9408b88890313
s390x
zsh-4.3.11-4.el6.s390x.rpm SHA-256: f24f57a6e0c8e5441fbafb26aac9a3fdd1ed8521399c9f2335057fe3215980b1
zsh-debuginfo-4.3.11-4.el6.s390x.rpm SHA-256: 774feb687420af731a8b2f21f2999660c6129d1db871ae9eb6c590172e369290
zsh-debuginfo-4.3.11-4.el6.s390x.rpm SHA-256: 774feb687420af731a8b2f21f2999660c6129d1db871ae9eb6c590172e369290
zsh-html-4.3.11-4.el6.s390x.rpm SHA-256: 127a7d07028693b71609abd86b9a2dbc7172a4529be5c02f60defdb98122ca6a

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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