[arch-security] [ASA-201701-4] libpng12: denial of service
Levente Polyak
anthraxx at archlinux.org
Mon Jan 2 22:40:32 UTC 2017
Arch Linux Security Advisory ASA-201701-4
=========================================
Severity: Low
Date : 2017-01-02
CVE-ID : CVE-2016-10087
Package : libpng12
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-122
Summary
=======
The package libpng12 before version 1.2.57-1 is vulnerable to denial of
service.
Resolution
==========
Upgrade to 1.2.57-1.
# pacman -Syu "libpng12>=1.2.57-1"
The problem has been fixed upstream in version 1.2.57.
Workaround
==========
None.
Description
===========
A NULL-pointer dereference issue has been found in png_set_text_2() in
libpng. To be vulnerable, an application has to load a text chunk into
the png structure, then delete all text, then add another text chunk to
the same png structure.
Impact
======
A remote attacker is able to crash the application under certain
circumstances.
References
==========
http://seclists.org/oss-sec/2016/q4/782
https://security.archlinux.org/CVE-2016-10087
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