[IT-SecNots] [SECURITY] [DSA 2394-1] libxml2 security update

[Luciano Bello <luciano AT debian.org>]

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

- -------------------------------------------------------------------------
Debian Security Advisory DSA-2394-1                   security AT debian.org
http://www.debian.org/security/                             Luciano Bello
January 27, 2012                       http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : libxml2
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-0216 CVE-2011-2821 CVE-2011-2834 CVE-2011-3905 
                 CVE-2011-3919 
Debian Bug     : 652352 643648 656377

Many security problems had been fixed in libxml2, a popular library to handle
XML data files.

CVE-2011-3919:
Jüri Aedla discovered a heap-based buffer overflow that allows remote 
attackers
to cause a denial of service or possibly have unspecified other impact via
unknown vectors.

CVE-2011-0216:
An Off-by-one error have been discoveried that allows remote attackers to 
execute arbitrary code or cause a denial of service. 

CVE-2011-2821:
A memory corruption (double free) bug has been identified in libxml2's XPath
engine. Through it, it is possible to an attacker allows cause a denial of 
service or possibly have unspecified other impact. This vulnerability does not
affect the oldstable distribution (lenny).

CVE-2011-2834:
Yang Dingning discovered a double free vulnerability related to XPath 
handling.

CVE-2011-3905:
An out-of-bounds read vulnerability had been discovered, which allows remote
attackers to cause a denial of service.

For the oldstable distribution (lenny), this problem has been fixed in
version 2.6.32.dfsg-5+lenny5.

For the stable distribution (squeeze), this problem has been fixed in
version 2.7.8.dfsg-2+squeeze2.

For the testing distribution (wheezy), this problem has been fixed in
version 2.7.8.dfsg-7.

For the unstable distribution (sid), this problem has been fixed in
version 2.7.8.dfsg-7.

We recommend that you upgrade your libxml2 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce AT lists.debian.org
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iEYEARECAAYFAk8h1n8ACgkQQWTRs4lLtHnXgACfV+dXC4Yc/aNb5udhKMYsEryT
mXAAoLetgUJRnDACae5LC9qnegUiNHRt
=j/Is
-----END PGP SIGNATURE-----


-- 
To UNSUBSCRIBE, email to debian-security-announce-REQUEST AT lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster AT lists.debian.org
Archive: 20120126224821.B5F9F1277F1 AT nube.usla.org.ar">http://lists.debian.org/20120126224821.B5F9F1277F1 AT nube.usla.org.ar