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CVE-2016-3623

26
FAUCET Score

CVE-2016-3623 is a denial-of-service vulnerability affecting LibTIFF 4.0.6 and earlier, specifically within the rgb2ycbcr tool. An unauthenticated remote attacker can trigger a divide-by-zero error by manipulating the 'v' or 'h' parameters, leading to system unavailability. With a CVSS v3 score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, resulting in a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.6CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.54%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0554 is in the 86th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2016-3623

libtiff: divide by zero in the rgb2ycybr tool

Apr 8, 2016

References

bugzilla.maptools.org / show_bug.cgi
Issue Tracking
lists.opensuse.org / opensuse-updates/2016-09/msg00039.html
ExploitThird Party Advisory
security.gentoo.org / glsa/201701-16
debian.org / security/2017/dsa-3762
openwall.com / lists/oss-security/2016/04/08/3
ExploitMailing ListThird Party Advisory
securityfocus.com / bid/85952
Third Party AdvisoryVDB Entry