libtiff: NULL pointer dereference in TIFFWriteDirectorySec function in tif_dirwrite.c
Published Nov 12, 2018
6.5
MEDIUMCVSS 3.0
EPSS 3.61%
Description
In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.
Affected products
No data.
Configuration 2
- 8.0
Configuration 3
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 5
libtiff
Will not fix
Red Hat Enterprise Linux 6
libtiff
Will not fix
Red Hat Enterprise Linux 7
compat-libtiff3
Will not fix
Red Hat Enterprise Linux 7
libtiff
Will not fix
Red Hat Enterprise Linux 8
libtiff
Will not fix
Red Hat Enterprise Linux 8
mingw-libtiff
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libtiff | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libtiff | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | compat-libtiff3 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libtiff | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | libtiff | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | mingw-libtiff | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This vulnerability was rated as LOW severity because it requires the victim to open a specially crafted file. While it does not allow full system compromise, it can cause the application to crash temporarily.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.61% (0.03613) | 89.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.61% (0.03613) | 87.97th | v5 (v2026.06.15) |
| Apr 19, 2026 | 6.30% (0.06297) | 90.97th | v4 (v2025.03.14) |
| Nov 21, 2025 | 4.91% (0.04911) | 89.13th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.06% (0.02060) | 82.48th | v4 (v2025.03.14) |
| Nov 3, 2025 | 4.91% (0.04911) | 89.16th | v4 (v2025.03.14) |
| Aug 24, 2025 | 2.04% (0.02040) | 83.08th | v4 (v2025.03.14) |
| Jun 19, 2025 | 5.55% (0.05546) | 89.79th | v4 (v2025.03.14) |
| Apr 17, 2025 | 2.43% (0.02428) | 84.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.05% (0.04054) | 87.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00283) | 69.44th | v3 (v2023.03.01) |
| Jul 1, 2024 | 0.28% (0.00278) | 68.50th | v3 (v2023.03.01) |
| Apr 4, 2024 | 0.35% (0.00352) | 71.46th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00423) | 73.58th | v3 (v2023.03.01) |
| Nov 6, 2023 | 0.42% (0.00423) | 71.48th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.50% (0.00504) | 73.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00437) | 70.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.07% (0.03068) | 65.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.07% (0.03068) | 0.00th | v1 |
References (15)
- http://bugzilla.maptools.org/show_bug.cgi?id=2820 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html x_refsource_MISC
- http://www.securityfocus.com/bid/105932 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-19210 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1649385 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6IL2QFKE6MGVUTOPU2UUWITTE36KRDF/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TX5UEYHGMTNEHJB4FHE7HCJ75UQDNKGB/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-19210
- https://seclists.org/bugtraq/2019/Nov/5 mailing-listx_refsource_BUGTRAQ
- https://security.gentoo.org/glsa/202003-25 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/3906-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-19210
- https://www.debian.org/security/2020/dsa-4670 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.