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CVE-2019-14973

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer...

6.5 MediumFix available

CVE-2019-14973 is a medium vulnerability (CVSS 6.5) in Libtiff, published August 14, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.20%, the 90th percentile. Fixed in tiff 4.0.10-r1.

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

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

4.20%Up 1.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
CVE-2019-14973
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
CVE-2019-14973
Updated
2026-11-02
EUVDEUVD-2019-6063 No score

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
EUVD-2019-6063
Updated
2026-11-03
GitHub AdvisoriesGHSA-2586-jx35-m7r7 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer...

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
GHSA-2586-jx35-m7r7
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
OSVALPINE-CVE-2019-14973 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
ALPINE-CVE-2019-14973
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-2019-14973 6.5

CVE-2019-14973 does not affect BellSoft software

Record
BELL-CVE-2019-14973
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 13 moreShow less
OSV 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
CVE-2019-14973
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
OSVDEBIAN-CVE-2019-14973 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
DEBIAN-CVE-2019-14973
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-2025-253 6.5

`_TIFFCheckMalloc` and `_TIFFCheckRealloc` in `tif_aux.c` in LibTIFF through 4.0.10 mishandle...

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
JLSEC-2025-253
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
OSVRHSA-2020:1688 4.5

Red Hat Security Advisory: libtiff security update

Record
RHSA-2020:1688
CVSS 3.0
4.5 MediumCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVRHSA-2020:3902 8.8

Red Hat Security Advisory: libtiff security update

Record
RHSA-2020:3902
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-14973 6.5

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Record
UBUNTU-CVE-2019-14973
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:1561-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2019-14973: Fixed an improper check which was depended on the compiler which could have led to integer overflow (bsc#1146608).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:1561-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1840-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2019-14973: Fixed an improper check which was depended on the compiler which could have led to integer overflow (bsc#1146608).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:1840-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:13381-1 No score

libtiff-devel-32bit-4.6.0-2.1 on GA media

These are all security issues fixed in the libtiff-devel-32bit-4.6.0-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13381-1
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
OSVSUSE-SU-2020:2744-1 No score

Security update for tiff

This update for tiff fixes the following issues:

  • CVE-2019-14973: Fixed an improper check which was depended on the compiler which could have led to integer overflow (bsc#1146608).
Record
SUSE-SU-2020:2744-1
Updated
2026-11-02
OSVUSN-4158-1 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-4158-1
Updated
2026-11-02
OSVUSN-5841-1 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. This issue was only fixed in Ubuntu 14.04 ESM. (CVE-2019-14973, CVE-2019-17546, CVE-2020-35523, CVE-2020-35524, CVE-2022-3970)

It was discovered that LibTIFF was incorrectly acessing a data structure when processing data with the tiffcrop tool, which could lead to a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-48281)

Record
USN-5841-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tiff
Alpine:v3.10
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.11
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.12
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.13
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.14
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.15
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.16
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.17
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.18
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.19
before 4.0.10-r1
4.0.10-r1
Show 64 moreShow less
Affected packages
PackageAffectedFixed
tiff
Alpine:v3.20
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.21
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.22
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.23
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.24
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.7
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.8
before 4.0.10-r1
4.0.10-r1
tiff
Alpine:v3.9
before 4.0.10-r1
4.0.10-r1
tiff
Debian:12
before 4.0.10+git190814-1
4.0.10+git190814-1
tiff
Debian:13
before 4.0.10+git190814-1
4.0.10+git190814-1
tiff
Debian:14
before 4.0.10+git190814-1
4.0.10+git190814-1
tiff
Debian:8
before 4.0.3-12.3+deb8u9, 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+deb8u4
Show 4 moreShow less
4.0.3-12.3+deb8u54.0.3-12.3+deb8u64.0.3-12.3+deb8u74.0.3-12.3+deb8u8
4.0.3-12.3+deb8u9
tiff
Debian:10
before 4.1.0+git191117-2~deb10u1, plus listed versions
4.0.10+git190814-14.0.10+git190818-14.0.10+git190903-14.0.10+git191003-14.0.10-44.1.0+git191117-14.1.0-1
4.1.0+git191117-2~deb10u1
tiff
Debian:9
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
Libtiff_jll
Julia
before 4.1.0+0
4.1.0+0
libtiff
Red Hat:enterprise_linux:8::appstream
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-devel
Red Hat:enterprise_linux:8::appstream
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-tools-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-debugsource
Red Hat:enterprise_linux:8::crb
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-tools
Red Hat:enterprise_linux:8::crb
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff-tools-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:4.0.9-17.el8
0:4.0.9-17.el8
libtiff
Red Hat:enterprise_linux:7::client
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::client
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-devel
Red Hat:enterprise_linux:7::client
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-static
Red Hat:enterprise_linux:7::client
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-tools
Red Hat:enterprise_linux:7::client
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff
Red Hat:enterprise_linux:7::computenode
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::computenode
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-devel
Red Hat:enterprise_linux:7::computenode
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-static
Red Hat:enterprise_linux:7::computenode
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-tools
Red Hat:enterprise_linux:7::computenode
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff
Red Hat:enterprise_linux:7::server
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::server
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-devel
Red Hat:enterprise_linux:7::server
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-static
Red Hat:enterprise_linux:7::server
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-tools
Red Hat:enterprise_linux:7::server
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff
Red Hat:enterprise_linux:7::workstation
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-debuginfo
Red Hat:enterprise_linux:7::workstation
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-devel
Red Hat:enterprise_linux:7::workstation
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-static
Red Hat:enterprise_linux:7::workstation
before 0:4.0.3-35.el7
0:4.0.3-35.el7
libtiff-tools
Red Hat:enterprise_linux:7::workstation
before 0:4.0.3-35.el7
0:4.0.3-35.el7
tiff
SUSE:Linux Enterprise Desktop 12 SP4
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Software Development Kit 12 SP4
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Server 12 SP4
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Server 12 SP5
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
before 4.0.9-44.42.1
4.0.9-44.42.1
tiff
SUSE:Linux Enterprise Module for Basesystem 15 SP1
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
SUSE:Linux Enterprise Module for Basesystem 15 SP2
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
SUSE:Linux Enterprise Module for Package Hub 15 SP1
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
SUSE:Linux Enterprise Module for Package Hub 15 SP2
before 4.0.9-5.30.28
4.0.9-5.30.28
tiff
Ubuntu:Pro:14.04:LTS
before 4.0.3-7ubuntu0.11+esm6, plus listed versions
4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7
Show 15 moreShow less
4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.44.0.3-7ubuntu0.64.0.3-7ubuntu0.74.0.3-7ubuntu0.84.0.3-7ubuntu0.94.0.3-7ubuntu0.104.0.3-7ubuntu0.114.0.3-7ubuntu0.11+esm14.0.3-7ubuntu0.11+esm24.0.3-7ubuntu0.11+esm34.0.3-7ubuntu0.11+esm44.0.3-7ubuntu0.11+esm5
4.0.3-7ubuntu0.11+esm6
tiff
Ubuntu:16.04:LTS
before 4.0.6-1ubuntu0.7, plus listed versions
4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.2
Show 4 moreShow less
4.0.6-1ubuntu0.34.0.6-1ubuntu0.44.0.6-1ubuntu0.54.0.6-1ubuntu0.6
4.0.6-1ubuntu0.7
tiff
Ubuntu:18.04:LTS
before 4.0.9-5ubuntu0.3, plus listed versions
4.0.8-54.0.8-64.0.9-14.0.9-24.0.9-3
Show 5 moreShow less
4.0.9-44.0.9-4ubuntu14.0.9-54.0.9-5ubuntu0.14.0.9-5ubuntu0.2
4.0.9-5ubuntu0.3
tiff
Ubuntu:Pro:16.04:LTS
before 4.0.6-1ubuntu0.8+esm9, plus listed versions
4.0.3-12.3ubuntu24.0.5-14.0.6-14.0.6-1ubuntu0.14.0.6-1ubuntu0.2
Show 13 moreShow less
4.0.6-1ubuntu0.34.0.6-1ubuntu0.44.0.6-1ubuntu0.54.0.6-1ubuntu0.64.0.6-1ubuntu0.74.0.6-1ubuntu0.84.0.6-1ubuntu0.8+esm14.0.6-1ubuntu0.8+esm24.0.6-1ubuntu0.8+esm34.0.6-1ubuntu0.8+esm44.0.6-1ubuntu0.8+esm64.0.6-1ubuntu0.8+esm74.0.6-1ubuntu0.8+esm8
4.0.6-1ubuntu0.8+esm9
tiff
openSUSE:Leap 15.2
before 4.0.9-lp152.11.3.1
4.0.9-lp152.11.3.1
tiff
openSUSE:Leap 15.1
before 4.0.9-lp151.10.3.1
4.0.9-lp151.10.3.1
tiff
openSUSE:Tumbleweed
before 4.6.0-2.1
4.6.0-2.1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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