[SECURITY] [DSA 2287-1] libpng security update Jul 28 2011 04:23PM
Luciano Bello (luciano debian org)
Hash: SHA1

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Debian Security Advisory DSA-2287-1 security (at) debian (dot) org [email concealed]
http://www.debian.org/security/ Luciano Bello
July 28, 2011 http://www.debian.org/security/faq
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Package : libpng
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE ID : CVE-2011-2501 CVE-2011-2690 CVE-2011-2691 CVE-2011-2692
Debian Bug : #632786 #633871

The PNG library libpng has been affected by several vulnerabilities. The
most critical one is the identified as CVE-2011-2690. Using this
vulnerability, an attacker is able to overwrite memory with an
arbitrary amount of data controlled by her via a crafted PNG image.

The other vulnerabilities are less critical and allow an attacker to
cause a crash in the program (denial of service) via a crafted PNG

For the oldstable distribution (lenny), this problem has been fixed in
version 1.2.27-2+lenny5. Due to a technical limitation in the Debian
archive processing scripts, the updated packages cannot be released
in paralell with the packages for Squeeze. They will appear shortly.

For the stable distribution (squeeze), this problem has been fixed in
version 1.2.44-1+squeeze1.

For the unstable distribution (sid), this problem has been fixed in
version 1.2.46-1.

We recommend that you upgrade your libpng 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 (dot) org [email concealed]
Version: GnuPG v1.4.11 (GNU/Linux)


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