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Bug Fix Advisory gawk bug fix update

Advisory: RHBA-2011:1486-1
Type: Bug Fix Advisory
Severity: N/A
Issued on: 2012-02-20
Last updated on: 2012-02-20
Affected Products: Red Hat Enterprise Linux (v. 5 server)
Red Hat Enterprise Linux Desktop (v. 5 client)

Details

An updated gawk package that fixes a bug is now available for Red Hat Enterprise
Linux 5.

The gawk package contains the GNU version of awk, a text processing utility. Awk
interprets a special-purpose programming language to do quick and easy text
pattern matching and reformatting jobs.

This updated gawk package fixes the following bug:

* Prior to this update gawk interpreted (under certain circumstances) some
run-time variables as internal zero-length variable prototypes. When gawk tried
to free such run-time variables, it actually freed the internal prototypes, that
were allocated just once due to memory savings. Consequently gawk sometimes
failed and the error message "awk: double free or corruption" was displayed.
With this update the problem has been corrected and the error no longer occurs.
(BZ#629196)

All users of gawk 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

Updated packages

Red Hat Enterprise Linux (v. 5 server)

SRPMS:
gawk-3.1.5-15.el5.src.rpm
File outdated by:  RHBA-2012:0738
    MD5: 7a607f2eebcca1e0f91aa708e4511a77
SHA-256: c6bbd18ce027d0cda6de1f01dcaceb6469f3ecaa8c8cabf6d0553d4589961862
 
IA-32:
gawk-3.1.5-15.el5.i386.rpm
File outdated by:  RHBA-2012:0738
    MD5: 342114ebf5533d97f430c5d3b39fc181
SHA-256: 4e82dee6e8c9d0b7760f221b4bb87bc8da6efabc90f6d2b4c615ac46a465d433
 
IA-64:
gawk-3.1.5-15.el5.ia64.rpm
File outdated by:  RHBA-2012:0738
    MD5: f9bb840aaf1ff677600dfc0bf55cc6be
SHA-256: 1525bf379abc149d444020bcf28df1001f26d6649bc0d844660bc52bbc437029
 
PPC:
gawk-3.1.5-15.el5.ppc.rpm
File outdated by:  RHBA-2012:0738
    MD5: 5c5faa3a5c82ef80085f2c6f09fdd48e
SHA-256: 421cd1e180841597083bede5db60b26d594cce4ee188e2128824877330bb3752
 
s390x:
gawk-3.1.5-15.el5.s390x.rpm
File outdated by:  RHBA-2012:0738
    MD5: 1865334d89424dd53411f423a60167b0
SHA-256: 192e4b07b5dac2def21bd6de0f9be9a0fbd91eba701de172ed2ab8f25237d7ba
 
x86_64:
gawk-3.1.5-15.el5.x86_64.rpm
File outdated by:  RHBA-2012:0738
    MD5: 4f3d3dcfcc2244f5643ae70668d36f36
SHA-256: 53d037ed223932ed33d8aea6022bbd7be69ae8ea8321d49d5e5a623f51f9f425
 
Red Hat Enterprise Linux Desktop (v. 5 client)

SRPMS:
gawk-3.1.5-15.el5.src.rpm
File outdated by:  RHBA-2012:0738
    MD5: 7a607f2eebcca1e0f91aa708e4511a77
SHA-256: c6bbd18ce027d0cda6de1f01dcaceb6469f3ecaa8c8cabf6d0553d4589961862
 
IA-32:
gawk-3.1.5-15.el5.i386.rpm
File outdated by:  RHBA-2012:0738
    MD5: 342114ebf5533d97f430c5d3b39fc181
SHA-256: 4e82dee6e8c9d0b7760f221b4bb87bc8da6efabc90f6d2b4c615ac46a465d433
 
x86_64:
gawk-3.1.5-15.el5.x86_64.rpm
File outdated by:  RHBA-2012:0738
    MD5: 4f3d3dcfcc2244f5643ae70668d36f36
SHA-256: 53d037ed223932ed33d8aea6022bbd7be69ae8ea8321d49d5e5a623f51f9f425
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

629196 - gawk regression from RHEL3/4



These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:
https://www.redhat.com/security/team/key/#package

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