Numeric Errors Affecting libpng package, versions <1.2.50-1ubuntu2.14.04.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-LIBPNG-294283
- published14 Apr 2016
- disclosed14 Apr 2016
Introduced: 14 Apr 2016
CVE-2015-8540 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 libpng to version 1.2.50-1ubuntu2.14.04.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libpng package and not the libpng package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-8540
- http://www.debian.org/security/2016/dsa-3443
- https://security-tracker.debian.org/tracker/CVE-2015-8540
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.html
- https://security.gentoo.org/glsa/201611-08
- http://sourceforge.net/p/libpng/bugs/244/
- http://sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/
- http://sourceforge.net/projects/libpng/files/libpng10/1.0.66/
- http://sourceforge.net/projects/libpng/files/libpng12/1.2.56/
- http://sourceforge.net/projects/libpng/files/libpng14/1.4.19/
- http://sourceforge.net/projects/libpng/files/libpng15/1.5.26/
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.openwall.com/lists/oss-security/2015/12/10/6
- http://www.openwall.com/lists/oss-security/2015/12/10/7
- http://www.openwall.com/lists/oss-security/2015/12/11/1
- http://www.openwall.com/lists/oss-security/2015/12/11/2
- http://www.openwall.com/lists/oss-security/2015/12/17/10
- https://access.redhat.com/errata/RHSA-2016:1430
- http://www.securityfocus.com/bid/80592
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E