CVE-2018-17000

Name: CVE-2018-17000
Creator: NVD / NIST
Published: 2018-09-13T16:29:01.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.26%

Last modified Jun 17, 2026

CVE-2018-17000 is a vulnerability of currently unknown severity. A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.. EPSS estimates a 3.26% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.

Metrics

EPSS Probability

3.26%

86.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Libtiff	Libtiff	4.0.9
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
https://usn.ubuntu.com/3906-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4670
http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
https://usn.ubuntu.com/3906-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4670

Timeline

Published: Sep 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17000?

How severe is CVE-2018-17000?

Severity scoring for CVE-2018-17000 is pending analysis. The EPSS model estimates a 3.26% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17000?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-17000?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST