HIGH
libtiff: Heap-based buffer overflow in the cpSeparateBufToContigBuf function resulting in a denial of service or possibly code execution
Published Jun 26, 2018
8.8
HIGHCVSS 3.0
EPSS 25.18%
Description
Heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0beta7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.
Affected products
No data.
Configuration 2
OR
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 7
libtiff-0:4.0.3-32.el7
Fixed · RHSA-2019:2053
Red Hat Enterprise Linux 8
libtiff-0:4.0.9-15.el8
Fixed · RHSA-2019:3419
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
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libtiff-0:4.0.3-32.el7 | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux 8 | libtiff-0:4.0.9-15.el8 | Fixed | RHSA-2019:3419 |
| 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 | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
5.3 MEDIUM Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
25.18% 0.25183
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.25183
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 25.18% (0.25183) | 97.88th | v5 (v2026.06.15) |
| Sep 22, 2026 | 25.18% (0.25183) | 97.84th | v5 (v2026.06.15) |
| Sep 21, 2026 | 21.54% (0.21543) | 97.56th | v5 (v2026.06.15) |
| Sep 6, 2026 | 25.18% (0.25183) | 97.79th | v5 (v2026.06.15) |
| Sep 5, 2026 | 21.54% (0.21543) | 97.51th | v5 (v2026.06.15) |
| Aug 30, 2026 | 25.18% (0.25183) | 97.78th | v5 (v2026.06.15) |
| Aug 28, 2026 | 21.54% (0.21543) | 97.50th | v5 (v2026.06.15) |
| Aug 24, 2026 | 25.18% (0.25183) | 97.76th | v5 (v2026.06.15) |
| Aug 23, 2026 | 21.54% (0.21543) | 97.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 25.18% (0.25183) | 97.65th | v5 (v2026.06.15) |
| Dec 28, 2025 | 10.81% (0.10812) | 93.12th | v4 (v2025.03.14) |
| Dec 27, 2025 | 12.11% (0.12111) | 93.61th | v4 (v2025.03.14) |
| Nov 21, 2025 | 11.07% (0.11072) | 93.15th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.70% (0.00698) | 69.71th | v4 (v2025.03.14) |
| Oct 28, 2025 | 10.36% (0.10358) | 92.85th | v4 (v2025.03.14) |
| Oct 27, 2025 | 11.61% (0.11612) | 93.36th | v4 (v2025.03.14) |
| Oct 12, 2025 | 10.36% (0.10358) | 92.84th | v4 (v2025.03.14) |
| Sep 2, 2025 | 11.61% (0.11612) | 93.44th | v4 (v2025.03.14) |
| Aug 30, 2025 | 10.55% (0.10551) | 92.97th | v4 (v2025.03.14) |
| Aug 20, 2025 | 11.89% (0.11888) | 93.47th | v4 (v2025.03.14) |
| Aug 16, 2025 | 10.19% (0.10190) | 92.82th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.63% (0.12631) | 93.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.05% (0.16049) | 91.35th | v4 (v2025.03.14) |
| Mar 26, 2025 | 12.63% (0.12631) | 93.27th | v4 (v2025.03.14) |
| Mar 21, 2025 | 10.84% (0.10843) | 92.80th | v4 (v2025.03.14) |
| Mar 19, 2025 | 12.34% (0.12341) | 93.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.37% (0.01369) | 78.90th | v4 (v2025.03.14) |
| Dec 17, 2024 | 13.61% (0.13613) | 95.59th | v3 (v2023.03.01) |
| Nov 17, 2023 | 31.83% (0.31828) | 96.55th | v3 (v2023.03.01) |
| Jul 8, 2023 | 35.23% (0.35235) | 96.53th | v3 (v2023.03.01) |
| Jun 20, 2023 | 42.31% (0.42314) | 96.80th | v3 (v2023.03.01) |
| May 8, 2023 | 41.55% (0.41548) | 96.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 34.51% (0.34508) | 96.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.90% (0.02895) | 63.70th | v1 |
| Jan 6, 2022 | 2.90% (0.02895) | 63.35th | v1 |
| Sep 1, 2021 | 2.90% (0.02895) | 80.80th | v1 |
| Apr 14, 2021 | 2.90% (0.02895) | 0.00th | v1 |
Weaknesses (2)
References (12)
- http://bugzilla.maptools.org/show_bug.cgi?id=2798 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2053 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:3419 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-12900 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1595575 Issue Tracking
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-12900
- https://usn.ubuntu.com/3906-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3906-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-12900
- https://www.debian.org/security/2020/dsa-4670 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| http://bugzilla.maptools.org/show_bug.cgi?id=2798 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2019:2053 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2019:3419 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-12900 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1595575 | Issue Tracking | |
| https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-12900 | ||
| https://usn.ubuntu.com/3906-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3906-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2018-12900 | ||
| https://www.debian.org/security/2020/dsa-4670 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 26, 2018
Updated Aug 5, 2024
Reserved Jun 26, 2018
Link CVE-2018-12900
CISA Vulnrichment
Updated n/a