bugtraq - [SECURITY] [DSA 3443-1] libpng security update

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Message-Id: <E1aJT0k-0000EY-R5@master.debian.org>
Date: Wed, 13 Jan 2016 21:31:22 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 3443-1] libpng security update

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Debian Security Advisory DSA-3443-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
January 13, 2016                      https://www.debian.org/security/faq
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Package        : libpng
CVE ID         : CVE-2015-8472 CVE-2015-8540
Debian Bug     : 807112 807694

Several vulnerabilities have been discovered in the libpng PNG library.
The Common Vulnerabilities and Exposures project identifies the
following problems:

CVE-2015-8472

    It was discovered that the original fix for CVE-2015-8126 was
    incomplete and did not detect a potential overrun by applications
    using png_set_PLTE directly. A remote attacker can take advantage of
    this flaw to cause a denial of service (application crash).

CVE-2015-8540

    Xiao Qixue and Chen Yu discovered a flaw in the png_check_keyword
    function. A remote attacker can potentially take advantage of this
    flaw to cause a denial of service (application crash).

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.2.49-1+deb7u2.

For the stable distribution (jessie), these problems have been fixed in
version 1.2.50-2+deb8u2.

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: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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