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Slackware Security Advisory - libxml2 Buffer Underflow

Slackware Security Advisory - libxml2 Buffer Underflow
Posted Dec 7, 2012
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New libxml2 packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix a security issue.

tags | advisory
systems | linux, slackware
advisories | CVE-2012-5134
SHA-256 | a2bd7297c9fbc5cf7a4fec75094beeb97cf2a4ed608a53bff474053ed709a9ea

Slackware Security Advisory - libxml2 Buffer Underflow

Change Mirror Download

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[slackware-security] libxml2 (SSA:2012-341-03)

New libxml2 packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37,
14.0, and -current to fix a security issue.


Here are the details from the Slackware 14.0 ChangeLog:
+--------------------------+
patches/packages/libxml2-2.8.0-i486-2_slack14.0.txz: Rebuilt.
Patched a heap-based buffer underflow in the xmlParseAttValueComplex
function in parser.c in libxml2 2.9.0 and earlier that could allow a
remote attacker to cause a denial of service or possibly execute
arbitrary code via crafted entities in an XML document.
For more information, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5134
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 12.1:
ftp://ftp.slackware.com/pub/slackware/slackware-12.1/patches/packages/libxml2-2.6.32-i486-3_slack12.1.tgz

Updated package for Slackware 12.2:
ftp://ftp.slackware.com/pub/slackware/slackware-12.2/patches/packages/libxml2-2.6.32-i486-4_slack12.2.tgz

Updated package for Slackware 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/libxml2-2.7.3-i486-5_slack13.0.txz

Updated package for Slackware x86_64 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/libxml2-2.7.3-x86_64-5_slack13.0.txz

Updated package for Slackware 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/libxml2-2.7.6-i486-3_slack13.1.txz

Updated package for Slackware x86_64 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/libxml2-2.7.6-x86_64-3_slack13.1.txz

Updated package for Slackware 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/libxml2-2.7.8-i486-5_slack13.37.txz

Updated package for Slackware x86_64 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/libxml2-2.7.8-x86_64-5_slack13.37.txz

Updated package for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/libxml2-2.8.0-i486-2_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/libxml2-2.8.0-x86_64-2_slack14.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libxml2-2.8.0-i486-2.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libxml2-2.8.0-x86_64-2.txz


MD5 signatures:
+-------------+

Slackware 12.1 package:
4b8f8073e5ab0e468368aac52031e133 libxml2-2.6.32-i486-3_slack12.1.tgz

Slackware 12.2 package:
a38284d735b51156b6a0c2aad4a0b0b6 libxml2-2.6.32-i486-4_slack12.2.tgz

Slackware 13.0 package:
de8fa68b968b05115f06fd1a6c8c874d libxml2-2.7.3-i486-5_slack13.0.txz

Slackware x86_64 13.0 package:
ff17bc7c4513ad04192ecc351f390d2e libxml2-2.7.3-x86_64-5_slack13.0.txz

Slackware 13.1 package:
82340fb2bd9eb47336c072dc0f801589 libxml2-2.7.6-i486-3_slack13.1.txz

Slackware x86_64 13.1 package:
1e37ae374658bedbaa62aee52d960e6d libxml2-2.7.6-x86_64-3_slack13.1.txz

Slackware 13.37 package:
a2c3792fbf110ad3d05fd347deff3958 libxml2-2.7.8-i486-5_slack13.37.txz

Slackware x86_64 13.37 package:
817ab99eff08314862f48c33703f572f libxml2-2.7.8-x86_64-5_slack13.37.txz

Slackware 14.0 package:
b407f6c6e488375e9d7775c1b8eb7231 libxml2-2.8.0-i486-2_slack14.0.txz

Slackware x86_64 14.0 package:
b11a66b5e80391dac16d92c59a7aa111 libxml2-2.8.0-x86_64-2_slack14.0.txz

Slackware -current package:
dba82933cc4a5298b14ca4f085e930ce l/libxml2-2.8.0-i486-2.txz

Slackware x86_64 -current package:
061c5ad8691d874a9c2a9079c312a725 l/libxml2-2.8.0-x86_64-2.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg libxml2-2.8.0-i486-2_slack14.0.txz


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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+------------------------------------------------------------------------+
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