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CVE-2018-17101

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools...

8.8 HighFix available

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

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
High
Integrity
High
Availability
High

Exploit likelihood

3.14%Up 0.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
CVE-2018-17101
Updated
2026-11-02
EUVDEUVD-2018-8881 No score

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
EUVD-2018-8881
Updated
2026-11-03
GitHub AdvisoriesGHSA-g4cc-75rh-qvmv 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools...

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
GHSA-g4cc-75rh-qvmv
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVALPINE-CVE-2018-17101 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
ALPINE-CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-17101 8.8

CVE-2018-17101 does not affect BellSoft software

Record
BELL-CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 10 moreShow less
OSV 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-17101 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
DEBIAN-CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2019:2053 5.3

Red Hat Security Advisory: libtiff security update

Record
RHSA-2019:2053
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2018-17101 8.8

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Record
UBUNTU-CVE-2018-17101
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2018-0426 No score

Updated libtiff packages fix security vulnerabilities

The updated packages fix security vulnerabilities:

An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file (CVE-2018-17100).

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file (CVE-2018-17101).

Record
MGASA-2018-0426
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-2018:3289-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2018-17100: There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108637)
  • CVE-2018-17101: There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108627)
  • CVE-2018-17795: The function t2p_write_pdf in tiff2pdf.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, a similar issue to CVE-2017-9935. (bsc#1110358)
  • CVE-2018-16335: newoffsets handling in ChopUpSingleUncompressedStrip in tif_dirread.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, as demonstrated by tiff2pdf. This is a different vulnerability than CVE-2018-15209. (bsc#1106853)
Record
SUSE-SU-2018:3289-1
Updated
2026-11-02
OSVSUSE-SU-2018:3327-1 No score

Security update for tiff

This update for tiff fixes the following issues:

Security issue fixed:

  • CVE-2018-10779: TIFFWriteScanline in tif_write.c had a heap-based buffer over-read, as demonstrated by bmp2tiff.(bsc#1092480)
  • CVE-2018-17100: There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108637)
  • CVE-2018-17101: There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108627)
  • CVE-2018-17795: The function t2p_write_pdf in tiff2pdf.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, a similar issue to CVE-2017-9935. (bsc#1110358)
  • CVE-2018-16335: newoffsets handling in ChopUpSingleUncompressedStrip in tif_dirread.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, as demonstrated by tiff2pdf. This is a different vulnerability than CVE-2018-15209. (bsc#1106853)
Record
SUSE-SU-2018:3327-1
Updated
2026-11-02
OSVSUSE-SU-2018:3391-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2018-17100: There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108637)
  • CVE-2018-17101: There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file. (bsc#1108627)
  • CVE-2018-17795: The function t2p_write_pdf in tiff2pdf.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, a similar issue to CVE-2017-9935. (bsc#1110358)
  • CVE-2018-16335: newoffsets handling in ChopUpSingleUncompressedStrip in tif_dirread.c allowed remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, as demonstrated by tiff2pdf. This is a different vulnerability than CVE-2018-15209. (bsc#1106853)
Record
SUSE-SU-2018:3391-1
Updated
2026-11-02
OSVUSN-3864-1 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-3864-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tiff
Alpine:v3.10
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.11
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.12
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.13
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.14
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.15
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.16
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.17
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.18
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.19
 before 4.0.9-r8
4.0.9-r8
Show 52 moreShow less
Affected packages
PackageAffectedFixed
tiff
Alpine:v3.20
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.21
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.22
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.23
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.24
 before 4.0.9-r8
4.0.9-r8
tiff
Alpine:v3.5
 before 4.0.9-r6
4.0.9-r6
tiff
Alpine:v3.6
 before 4.0.9-r6
4.0.9-r6
tiff
Alpine:v3.7
 before 4.0.9-r6
4.0.9-r6
tiff
Alpine:v3.8
 before 4.0.9-r7
4.0.9-r7
tiff
Alpine:v3.9
 before 4.0.9-r8
4.0.9-r8
tiff
Debian:12
 before 4.0.9+git181026-1
4.0.9+git181026-1
tiff
Debian:13
 before 4.0.9+git181026-1
4.0.9+git181026-1
tiff
Debian:14
 before 4.0.9+git181026-1
4.0.9+git181026-1
tiff
Debian:8
From an advisory covering 3 CVEs
 before 4.0.3-12.3+deb8u7, 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+deb8u6
4.0.3-12.3+deb8u7
tiff
Debian:9
From an advisory covering 10 CVEs
 before 4.0.8-2+deb9u4, plus listed versions
4.0.8-24.0.8-2+deb9u14.0.8-2+deb9u24.0.8-2+deb9u3
4.0.8-2+deb9u4
libtiff
Mageia:6
From an advisory covering 2 CVEs
 before 4.0.9-1.7.mga6
4.0.9-1.7.mga6
libtiff
Red Hat:enterprise_linux:7::client
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::client
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-devel
Red Hat:enterprise_linux:7::client
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-static
Red Hat:enterprise_linux:7::client
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-tools
Red Hat:enterprise_linux:7::client
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff
Red Hat:enterprise_linux:7::computenode
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::computenode
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-devel
Red Hat:enterprise_linux:7::computenode
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-static
Red Hat:enterprise_linux:7::computenode
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-tools
Red Hat:enterprise_linux:7::computenode
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff
Red Hat:enterprise_linux:7::server
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::server
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-devel
Red Hat:enterprise_linux:7::server
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-static
Red Hat:enterprise_linux:7::server
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-tools
Red Hat:enterprise_linux:7::server
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff
Red Hat:enterprise_linux:7::workstation
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::workstation
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-devel
Red Hat:enterprise_linux:7::workstation
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-static
Red Hat:enterprise_linux:7::workstation
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
libtiff-tools
Red Hat:enterprise_linux:7::workstation
From an advisory covering 10 CVEs
 before 0:4.0.3-32.el7
0:4.0.3-32.el7
tiff
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 6 CVEs
 before 4.0.9-44.24.1
4.0.9-44.24.1
tiff
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 6 CVEs
 before 4.0.9-44.24.1
4.0.9-44.24.1
tiff
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 6 CVEs
 before 4.0.9-44.24.1
4.0.9-44.24.1
tiff
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 6 CVEs
 before 4.0.9-44.24.1
4.0.9-44.24.1
tiff
SUSE:Linux Enterprise Module for Basesystem 15
From an advisory covering 5 CVEs
 before 4.0.9-5.14.1
4.0.9-5.14.1
tiff
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 5 CVEs
 before 4.0.9-5.14.1
4.0.9-5.14.1
tiff
SUSE:Linux Enterprise Software Development Kit 11 SP4
From an advisory covering 6 CVEs
 before 3.8.2-141.169.19.1
3.8.2-141.169.19.1
tiff
SUSE:Linux Enterprise Server 11 SP4
From an advisory covering 6 CVEs
 before 3.8.2-141.169.19.1
3.8.2-141.169.19.1
tiff
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
From an advisory covering 6 CVEs
 before 3.8.2-141.169.19.1
3.8.2-141.169.19.1
tiff
Ubuntu:14.04:LTS
 before 4.0.3-7ubuntu0.10, plus listed versions
4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7
Show 8 moreShow less
4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.44.0.3-7ubuntu0.64.0.3-7ubuntu0.74.0.3-7ubuntu0.84.0.3-7ubuntu0.9
4.0.3-7ubuntu0.10
tiff
Ubuntu:16.04:LTS
 before 4.0.6-1ubuntu0.5, plus listed versions
4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.24.0.6-1ubuntu0.34.0.6-1ubuntu0.4
4.0.6-1ubuntu0.5
tiff
Ubuntu:18.04:LTS
 before 4.0.9-5ubuntu0.1, plus listed versions
4.0.8-54.0.8-64.0.9-14.0.9-24.0.9-34.0.9-44.0.9-4ubuntu14.0.9-5
4.0.9-5ubuntu0.1
tiff
Ubuntu:14.04:LTS
From an advisory covering 7 CVEs
 before 4.0.3-7ubuntu0.10, plus listed versions
4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7
Show 8 moreShow less
4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.44.0.3-7ubuntu0.64.0.3-7ubuntu0.74.0.3-7ubuntu0.84.0.3-7ubuntu0.9
4.0.3-7ubuntu0.10
tiff
Ubuntu:16.04:LTS
From an advisory covering 7 CVEs
 before 4.0.6-1ubuntu0.5, plus listed versions
4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.24.0.6-1ubuntu0.34.0.6-1ubuntu0.4
4.0.6-1ubuntu0.5
tiff
Ubuntu:18.04:LTS
From an advisory covering 7 CVEs
 before 4.0.9-5ubuntu0.1, plus listed versions
4.0.8-54.0.8-64.0.9-14.0.9-24.0.9-34.0.9-44.0.9-4ubuntu14.0.9-5
4.0.9-5ubuntu0.1
tiff
openSUSE:Tumbleweed
From an advisory covering 48 CVEs
 before 4.3.0-1.3
4.3.0-1.3

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-17101 is a high vulnerability (CVSS 8.8) in Libtiff, published September 16, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.14%, the 87th percentile. Fixed in tiff 4.0.9-r8.

References

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