CVE-2016-6223

Description

The TIFFReadRawStrip1 and TIFFReadRawTile1 functions in tif_read.c in libtiff before 4.0.7 allows remote attackers to cause a denial of service (crash) or possibly obtain sensitive information via a negative index in a file-content buffer.

Category

9.1
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.62%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201701-16 vendor advisory
http://libtiff.maptools.org/v4.0.7.html patch
http://www.openwall.com/lists/oss-security/2016/07/14/4 mailing list
http://www.debian.org/security/2017/dsa-3762 vendor advisory
http://www.openwall.com/lists/oss-security/2016/07/13/3 mailing list
http://www.securityfocus.com/bid/91741 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-6223?
CVE-2016-6223 has been scored as a critical severity vulnerability.
How to fix CVE-2016-6223?
To fix CVE-2016-6223, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6223 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-6223 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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