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CVE-2023-40745

Libtiff: integer overflow in tiffcp.c

6.5 MediumFix available

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

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

1.41%Up 1.3 points since Oct 6, 2023
90%50%10%1%

What each source reports

CVE List Score used 6.5

Libtiff: integer overflow in tiffcp.c

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
EUVDEUVD-2023-45298 6.5

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
EUVD-2023-45298
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-w737-xjxg-h9mw 6.5

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial...

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
GHSA-w737-xjxg-h9mw
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
NVD 6.5

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
OSVAZL-31096 6.5

CVE-2023-40745 affecting package libtiff for versions less than 4.6.0-1

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
AZL-31096
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2023-40745 6.5
Record
BELL-CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 10 moreShow less
OSV 6.5

Libtiff: integer overflow in tiffcp.c

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
OSVDEBIAN-CVE-2023-40745 6.5

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
DEBIAN-CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVJLSEC-2025-312 6.5

LibTIFF is vulnerable to an integer overflow

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
JLSEC-2025-312
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2024:2289 6.5

Red Hat Security Advisory: libtiff security update

Record
RHSA-2024:2289
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-40745 6.5

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Record
UBUNTU-CVE-2023-40745
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2024:2289 No score

Moderate: libtiff security update

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es):

  • libtiff: infinite loop via a crafted TIFF file (CVE-2022-40090)
  • libtiff: segmentation fault in Fax3Encode in libtiff/tif_fax3.c (CVE-2023-3618)
  • libtiff: integer overflow in tiffcp.c (CVE-2023-40745)
  • libtiff: potential integer overflow in raw2tiff.c (CVE-2023-41175)
  • libtiff: heap-based buffer overflow in cpStripToTile() in tools/tiffcp.c (CVE-2023-6228)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2024:2289
Updated
2026-11-02
OSVCLSA-2025-1745531344 No score

libtiff: Fix of 2 CVEs

  • CVE-2023-40745: prevent integer overflow on hostile images to avoid heap-based buffer overflow and potential code execution
  • CVE-2023-41175: address integer overflows and bypass in raw2tiff.c to prevent heap-based buffer overflow and potential code execution
Record
CLSA-2025-1745531344
Updated
2026-11-02
OSVMGASA-2024-0077 No score

Updated libtiff packages fix security vulnerabilities

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow. (CVE-2023-40745) A vulnerability was found in libtiff due to multiple potential integer overflows in raw2tiff.c. This flaw allows remote attackers to cause a denial of service or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow. (CVE-2023-41175)

Record
MGASA-2024-0077
Updated
2026-11-02
OSVSUSE-SU-2024:0915-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2023-41175: Fixed potential integer overflow in raw2tiff.c (bsc#1214686).
  • CVE-2023-38288: Fixed potential integer overflow in raw2tiff.c (bsc#1213590).
  • CVE-2023-40745: Fixed integer overflow in tiffcp.c (bsc#1214687).
  • CVE-2015-8668: Fixed Heap-based buffer overflow in bmp2tiff / PackBitsEncode (bsc#960589).
Record
SUSE-SU-2024:0915-1
Updated
2026-11-02
OSVSUSE-SU-2024:0973-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2023-41175: Fixed potential integer overflow in raw2tiff.c (bsc#1214686).
  • CVE-2023-38288: Fixed potential integer overflow in raw2tiff.c (bsc#1213590).
  • CVE-2023-40745: Fixed integer overflow in tiffcp.c (bsc#1214687).
Record
SUSE-SU-2024:0973-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libtiff
AlmaLinux:9
From an advisory covering 5 CVEs
 before 4.4.0-12.el9
4.4.0-12.el9
libtiff-devel
AlmaLinux:9
From an advisory covering 5 CVEs
 before 4.4.0-12.el9
4.4.0-12.el9
libtiff-tools
AlmaLinux:9
From an advisory covering 5 CVEs
 before 4.4.0-12.el9
4.4.0-12.el9
libtiff
Azure Linux:2
 before 4.6.0-1
4.6.0-1
tiff
Alpaquita:23
 4.4.0-r1 and later None known
tiff
BellSoft Hardened Containers:23
 4.4.0-r1 and later None known
libtiff
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
 before 4.4.0-8.el9_2.tuxcare.els4
4.4.0-8.el9_2.tuxcare.els4
libtiff-devel
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
 before 4.4.0-8.el9_2.tuxcare.els4
4.4.0-8.el9_2.tuxcare.els4
libtiff-static
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
 before 4.4.0-8.el9_2.tuxcare.els4
4.4.0-8.el9_2.tuxcare.els4
libtiff-tools
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
 before 4.4.0-8.el9_2.tuxcare.els4
4.4.0-8.el9_2.tuxcare.els4
Show 29 moreShow less
Affected packages
PackageAffectedFixed
tiff
Debian:12
 before 4.5.0-6+deb12u1, plus listed versions
4.5.0-6
4.5.0-6+deb12u1
tiff
Debian:13
 before 4.5.1+git230720-1
4.5.1+git230720-1
tiff
Debian:14
 before 4.5.1+git230720-1
4.5.1+git230720-1
tiff
Debian:10
From an advisory covering 8 CVEs
 before 4.1.0+git191117-2~deb10u8, plus listed versions
4.0.10+git190814-14.0.10+git190818-14.0.10+git190903-14.0.10+git191003-14.0.10-4
Show 9 moreShow less
4.1.0+git191117-14.1.0+git191117-2~deb10u14.1.0+git191117-2~deb10u24.1.0+git191117-2~deb10u34.1.0+git191117-2~deb10u44.1.0+git191117-2~deb10u54.1.0+git191117-2~deb10u64.1.0+git191117-2~deb10u74.1.0-1
4.1.0+git191117-2~deb10u8
tiff
Debian:11
From an advisory covering 3 CVEs
 before 4.2.0-1+deb11u5, plus listed versions
4.2.0-14.2.0-1+deb11u14.2.0-1+deb11u24.2.0-1+deb11u34.2.0-1+deb11u4
4.2.0-1+deb11u5
tiff
Debian:12
From an advisory covering 3 CVEs
 before 4.5.0-6+deb12u1, plus listed versions
4.5.0-6
4.5.0-6+deb12u1
Libtiff_jll
Julia
 before 4.6.0+0
4.6.0+0
libtiff
Mageia:9
From an advisory covering 2 CVEs
 before 4.5.1-1.2.mga9
4.5.1-1.2.mga9
libtiff
Red Hat:enterprise_linux:9::appstream
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-debugsource
Red Hat:enterprise_linux:9::appstream
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-devel
Red Hat:enterprise_linux:9::appstream
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-tools-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-debugsource
Red Hat:enterprise_linux:9::crb
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-tools
Red Hat:enterprise_linux:9::crb
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
libtiff-tools-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 5 CVEs
 before 0:4.4.0-12.el9
0:4.4.0-12.el9
tiff
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 4 CVEs
 before 4.0.9-44.80.1
4.0.9-44.80.1
tiff
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 4 CVEs
 before 4.0.9-44.80.1
4.0.9-44.80.1
tiff
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 4 CVEs
 before 4.0.9-44.80.1
4.0.9-44.80.1
tiff
SUSE:Linux Enterprise Micro 5.3
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
SUSE:Linux Enterprise Micro 5.4
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
SUSE:Linux Enterprise Micro 5.5
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
SUSE:Linux Enterprise Module for Basesystem 15 SP5
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
SUSE:Linux Enterprise Module for Package Hub 15 SP5
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
SUSE:Linux Enterprise Micro 5.2
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
openSUSE:Leap Micro 5.3
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
openSUSE:Leap Micro 5.4
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1
tiff
openSUSE:Leap 15.5
From an advisory covering 3 CVEs
 before 4.0.9-150000.45.41.1
4.0.9-150000.45.41.1

History

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

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

In short

CVE-2023-40745 is a medium vulnerability (CVSS 6.5) in Libtiff, published July 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. Fixed in libtiff 4.6.0-1.

References

Show 48 moreShow less
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