CVE-2015-8784

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-13 · updated 2026-06-17
Weakness: CWE-787

Description

The NeXTDecode function in tif_next.c in LibTIFF allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted TIFF image, as demonstrated by libtiff5.tif.

Affected products

Debian Linux: 7.0, 8.0
libtiff: before 4.0.7 — fixed in 4.0.7

How to fix

Upgrade to a fixed version: libtiff 4.0.7. Check the vendor advisory for mitigations.

References

http://bugzilla.maptools.org/show_bug.cgi?id=2508
http://rhn.redhat.com/errata/RHSA-2016-1546.html
http://rhn.redhat.com/errata/RHSA-2016-1547.html
http://www.debian.org/security/2016/dsa-3467
http://www.openwall.com/lists/oss-security/2016/01/24/4
http://www.openwall.com/lists/oss-security/2016/01/24/8
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/81696
http://www.ubuntu.com/usn/USN-2939-1
https://github.com/vadz/libtiff/commit/b18012dae552f85dcc5c57d3bf4e997a15b1cc1c

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