CVE-2016-6223

Severity: critical (CVSS 9.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-23 · updated 2026-06-17
Weakness: CWE-189

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.

Affected products

libtiff: through 4.0.6

References

http://libtiff.maptools.org/v4.0.7.html
http://www.debian.org/security/2017/dsa-3762
http://www.openwall.com/lists/oss-security/2016/07/13/3
http://www.openwall.com/lists/oss-security/2016/07/14/4
http://www.securityfocus.com/bid/91741
https://security.gentoo.org/glsa/201701-16
http://libtiff.maptools.org/v4.0.7.html
http://www.debian.org/security/2017/dsa-3762
http://www.openwall.com/lists/oss-security/2016/07/13/3
http://www.openwall.com/lists/oss-security/2016/07/14/4
http://www.securityfocus.com/bid/91741
https://security.gentoo.org/glsa/201701-16

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