From:
[email protected]
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- ------------------------------------------------------------------------- Debian Security Advisory DSA-3399-1
[email protected] https://www.debian.org/security/ Salvatore Bonaccorso November 18, 2015
https://www.debian.org/security/faq
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Package : libpng
CVE ID : CVE-2015-7981 CVE-2015-8126
Debian Bug : 803078 805113
Several vulnerabilities have been discovered in the libpng PNG library.
The Common Vulnerabilities and Exposures project identifies the
following problems:
CVE-2015-7981
Qixue Xiao discovered an out-of-bounds read vulnerability in the
png_convert_to_rfc1123 function. A remote attacker can potentially
take advantage of this flaw to cause disclosure of information from
process memory.
CVE-2015-8126
Multiple buffer overflows were discovered in the png_set_PLTE and
png_get_PLTE functions. A remote attacker can take advantage of this
flaw to cause a denial of service (application crash) via a small
bit-depth value in an IHDR (image header) chunk in a PNG image.
For the oldstable distribution (wheezy), these problems have been fixed
in version 1.2.49-1+deb7u1.
For the stable distribution (jessie), these problems have been fixed in
version 1.2.50-2+deb8u1.
For the unstable distribution (sid), these problems have been fixed in
version 1.2.54-1.
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:
https://www.debian.org/security/
Mailing list:
[email protected]
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