Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-9538

30
FAUCET Score

CVE-2016-9538 is a critical integer overflow vulnerability in libtiff versions prior to 4.0.7, specifically within the tools/tiffcrop.c component. This flaw allows an attacker to read an undefined buffer due to a uint16 integer overflow in the readContigStripsIntoBuffer() function. With a CVSS v3 score of 9.8 (CRITICAL), it presents a severe risk, enabling unauthenticated remote attackers to achieve high confidentiality, integrity, and availability impacts with low attack complexity. While there is no evidence of active exploitation (KEV: No) and no public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.6CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.35%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0335 is in the 79th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libtiff
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libtiff
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-libtiff3
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libtiff

Vendor Advisories (1)

redhatCVE-2016-9538Moderate

libtiff: Integer overflow leads to reading undefined buffer in readContigStripsIntoBuffer()

Oct 8, 2016

References

github.com / vadz/libtiff/commit/43c0b81a818640429317c80fea1e66771e85024b
Issue TrackingPatchThird Party Advisory
debian.org / security/2017/dsa-3762
securityfocus.com / bid/94484
Third Party AdvisoryVDB Entry
securityfocus.com / bid/94753