CVE-2018-17000
A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-17000- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-17000- Updated
- 2026-11-02
EUVDEUVD-2018-8784 No score
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.
- Record
EUVD-2018-8784- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xf25-29fj-q584
A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from...
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.
- Record
GHSA-xf25-29fj-q584- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVAZL-44331
CVE-2018-17000 affecting package openjpeg2 2.3.1-12
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.
- Record
AZL-44331- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-05
OSV
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.
- Record
CVE-2018-17000- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 7 moreShow less
OSVDEBIAN-CVE-2018-17000
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.
- Record
DEBIAN-CVE-2018-17000- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-17000
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.
- Record
UBUNTU-CVE-2018-17000- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2019:1161-1 No score
Security update for tiff
This update for tiff fixes the following issues:
Security issues fixed:
- CVE-2018-19210: Fixed a NULL pointer dereference in TIFFWriteDirectorySec function (bsc#1115717).
- CVE-2018-17000: Fixed a NULL pointer dereference in the _TIFFmemcmp function (bsc#1108606).
- CVE-2019-6128: Fixed a memory leak in the TIFFFdOpen function in tif_unix.c (bsc#1121626).
- CVE-2019-7663: Fixed an invalid address dereference in the TIFFWriteDirectoryTagTransfer function in libtiff/tif_dirwrite.c (bsc#1125113)
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2019:1161-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11461-1 No score
libtiff-devel-32bit-4.3.0-1.3 on GA media
These are all security issues fixed in the libtiff-devel-32bit-4.3.0-1.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11461-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:0786-1 No score
Security update for tiff
This update for tiff fixes the following issues:
Security issues fixed:
- CVE-2018-19210: Fixed a NULL pointer dereference in TIFFWriteDirectorySec function (bsc#1115717).
- CVE-2018-17000: Fixed a NULL pointer dereference in the _TIFFmemcmp function (bsc#1108606).
- CVE-2019-6128: Fixed a memory leak in the TIFFFdOpen function in tif_unix.c (bsc#1121626).
- CVE-2019-7663: Fixed an invalid address dereference in the TIFFWriteDirectoryTagTransfer function in libtiff/tif_dirwrite.c (bsc#1125113)
- Record
SUSE-SU-2019:0786-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:3058-1 No score
Security update for tiff
This update for tiff fixes the following issues:
Security issues fixed:
- CVE-2019-14973: Fixed an improper check which was depended on the compiler which could have led to integer overflow (bsc#1146608).
- CVE-2016-5102: Fixed a buffer overflow in readgifimage() (bsc#983268)
- CVE-2018-17000: Fixed a NULL pointer dereference in the _TIFFmemcmp function (bsc#1108606).
- CVE-2019-6128: Fixed a memory leak in the TIFFFdOpen function in tif_unix.c (bsc#1121626).
- CVE-2019-7663: Fixed an invalid address dereference in the TIFFWriteDirectoryTagTransfer function in libtiff/tif_dirwrite.c (bsc#1125113)
- Record
SUSE-SU-2019:3058-1- Updated
- 2026-11-02
OSVUSN-3906-1 No score
tiff vulnerabilities
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.
- Record
USN-3906-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openjpeg2Azure Linux:3 |
through 2.3.1-12 | None known |
tiffDebian:12 |
before 4.0.10-4 | 4.0.10-4 |
tiffDebian:13 |
before 4.0.10-4 | 4.0.10-4 |
tiffDebian:14 |
before 4.0.10-4 | 4.0.10-4 |
tiffDebian:8 From an advisory covering 3 CVEs |
before 4.0.3-12.3+deb8u8, plus listed versions 4.0.3-12.34.0.3-12.3+deb8u14.0.3-12.3+deb8u24.0.3-12.3+deb8u34.0.3-12.3+deb8u44.0.3-12.3+deb8u54.0.3-12.3+deb8u64.0.3-12.3+deb8u7 |
4.0.3-12.3+deb8u8 |
tiffDebian:9 From an advisory covering 7 CVEs |
before 4.0.8-2+deb9u5, plus listed versions 4.0.8-24.0.8-2+deb9u14.0.8-2+deb9u24.0.8-2+deb9u34.0.8-2+deb9u4 |
4.0.8-2+deb9u5 |
tiffSUSE:Linux Enterprise Module for Basesystem 15 From an advisory covering 4 CVEs |
before 4.0.9-5.27.5 | 4.0.9-5.27.5 |
tiffSUSE:Linux Enterprise Module for Desktop Applications 15 From an advisory covering 4 CVEs |
before 4.0.9-5.27.5 | 4.0.9-5.27.5 |
tiffSUSE:Linux Enterprise Module for Package Hub 15 From an advisory covering 4 CVEs |
before 4.0.9-5.27.5 | 4.0.9-5.27.5 |
tiffSUSE:Linux Enterprise Desktop 12 SP4 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
Show 14 moreShow less
| Package | Affected | Fixed |
|---|---|---|
tiffSUSE:Linux Enterprise Software Development Kit 12 SP4 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffSUSE:Linux Enterprise Software Development Kit 12 SP5 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffSUSE:Linux Enterprise Server 12 SP4 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffSUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffSUSE:Linux Enterprise Server 12 SP5 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffSUSE:Linux Enterprise Server for SAP Applications 12 SP5 From an advisory covering 5 CVEs |
before 4.0.9-44.42.1 | 4.0.9-44.42.1 |
tiffUbuntu:14.04:LTS |
before 4.0.3-7ubuntu0.11, plus listed versions 4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7 Show 9 moreShow less4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.44.0.3-7ubuntu0.64.0.3-7ubuntu0.74.0.3-7ubuntu0.84.0.3-7ubuntu0.94.0.3-7ubuntu0.10 |
4.0.3-7ubuntu0.11 |
tiffUbuntu:16.04:LTS |
before 4.0.6-1ubuntu0.6, plus listed versions 4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.24.0.6-1ubuntu0.34.0.6-1ubuntu0.44.0.6-1ubuntu0.5 |
4.0.6-1ubuntu0.6 |
tiffUbuntu:18.04:LTS |
before 4.0.9-5ubuntu0.2, plus listed versions 4.0.8-54.0.8-64.0.9-14.0.9-24.0.9-3 Show 4 moreShow less4.0.9-44.0.9-4ubuntu14.0.9-54.0.9-5ubuntu0.1 |
4.0.9-5ubuntu0.2 |
tiffUbuntu:14.04:LTS From an advisory covering 6 CVEs |
before 4.0.3-7ubuntu0.11, plus listed versions 4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7 Show 9 moreShow less4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.44.0.3-7ubuntu0.64.0.3-7ubuntu0.74.0.3-7ubuntu0.84.0.3-7ubuntu0.94.0.3-7ubuntu0.10 |
4.0.3-7ubuntu0.11 |
tiffUbuntu:16.04:LTS From an advisory covering 6 CVEs |
before 4.0.6-1ubuntu0.6, plus listed versions 4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.24.0.6-1ubuntu0.34.0.6-1ubuntu0.44.0.6-1ubuntu0.5 |
4.0.6-1ubuntu0.6 |
tiffUbuntu:18.04:LTS From an advisory covering 6 CVEs |
before 4.0.9-5ubuntu0.2, plus listed versions 4.0.8-54.0.8-64.0.9-14.0.9-24.0.9-3 Show 4 moreShow less4.0.9-44.0.9-4ubuntu14.0.9-54.0.9-5ubuntu0.1 |
4.0.9-5ubuntu0.2 |
tiffopenSUSE:Leap 15.0 From an advisory covering 4 CVEs |
before 4.0.9-lp150.4.16.1 | 4.0.9-lp150.4.16.1 |
tiffopenSUSE:Tumbleweed From an advisory covering 48 CVEs |
before 4.3.0-1.3 | 4.3.0-1.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17000 is a medium vulnerability (CVSS 6.5) in Libtiff, published September 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.25%, the 88th percentile. Fixed in tiff 4.0.10-4.
References
bugzilla.maptools.org/show_bug.cgi?id=2811
securityfocus.com/bid/105342
usn.ubuntu.com/3906-1
lists.debian.org/debian-lts-announce/2019/02/msg00026.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
debian.org/security/2020/dsa-4670
Show 70 moreShow less
nvd.nist.gov/vuln/detail/CVE-2018-17000
github.com/advisories/GHSA-xf25-29fj-q584
security-tracker.debian.org/tracker/CVE-2018-17000
suse.com/support/update/announcement/2019/suse-su-20190786-1
bugzilla.suse.com/1108606
ubuntu.com/security/CVE-2018-17000
cve.org/CVERecord?id=CVE-2018-17000