Linux Security
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Linux Security

Debian: DSA-3443-1: libpng security update

Date 13 Jan 2016
202
Posted By LinuxSecurity Advisories
Several vulnerabilities have been discovered in the libpng PNG library. The Common Vulnerabilities and Exposures project identifies the following problems:

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Debian Security Advisory DSA-3443-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
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: This email address is being protected from spambots. You need JavaScript enabled to view it.

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