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Fencer Vulns
high 7.5

CVE-2016-3623 json

The rgb2ycbcr tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (divide-by-zero) by setting the (1) v…

published 2016-10-03 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4649

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The rgb2ycbcr tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (divide-by-zero) by setting the (1) v or (2) h parameter to 0.

Patch / fix

  • tiff Debian 14, Debian 13, Debian 12 4.0.6-3

debian advisories DEBIAN-CVE-2016-3623

  • tiff Ubuntu 14.04 LTS 4.0.3-7ubuntu0.6
  • tiff Ubuntu 16.04 LTS 4.0.6-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2016-3623

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • tiff SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 3.8.2-141.168.1
  • tiff SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 4.0.6-31.1

suse advisories SUSE-SU-2016:2527-1SUSE-SU-2016:2508-1

  • tiff openSUSE Tumbleweed 4.0.7-1.1

opensuse advisories openSUSE-SU-2024:10554-1

  • tiff Alpine 3.4, Alpine 3.3, Alpine 3.2 4.0.7-r0

alpine advisories ALPINE-CVE-2016-3623

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libtiff Arch Linux 4.0.7-1
  • lib32-libtiff Arch Linux 4.0.7-1

arch linux advisories AVG-85AVG-86

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-3623 updated cvss 4.3

libtiff: divide by zero in the rgb2ycybr tool

  • Red Hat Enterprise Linux 5 libtiff Red Hat Enterprise Linux 6 libtiff Red Hat Enterprise Linux 7 libtiff, libtiff-tools, compat-libtiff3
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.54% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • lists.opensuse.org http://lists.opensuse.org/opensuse-updates/2016-09/msg00039.html referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2016/04/08/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.