libtiff: Out-of-bounds write in tif_jbig.c
Published Oct 22, 2018
8.8
HIGHCVSS 3.0
EPSS 14.96%
Description
LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 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 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
Configuration 3
- 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 5
libtiff
Not affected
Red Hat Enterprise Linux 6
libtiff
Not affected
Red Hat Enterprise Linux 8
libtiff
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 5 | libtiff | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libtiff | Not affected | n/a |
| Red Hat Enterprise Linux 8 | libtiff | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5 and 6. This issue affects the versions of libtiff as shipped with Red Hat Enterprise Linux 7.
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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:M/Au:N/C:P/I:P/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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (47 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.96% (0.14960) | 96.61th | v5 (v2026.06.15) |
| Sep 22, 2026 | 14.96% (0.14960) | 96.55th | v5 (v2026.06.15) |
| Sep 21, 2026 | 13.14% (0.13137) | 96.25th | v5 (v2026.06.15) |
| Sep 6, 2026 | 14.96% (0.14960) | 96.48th | v5 (v2026.06.15) |
| Sep 5, 2026 | 13.14% (0.13137) | 96.17th | v5 (v2026.06.15) |
| Aug 30, 2026 | 14.96% (0.14960) | 96.46th | v5 (v2026.06.15) |
| Aug 28, 2026 | 13.14% (0.13137) | 96.14th | v5 (v2026.06.15) |
| Aug 24, 2026 | 14.96% (0.14960) | 96.44th | v5 (v2026.06.15) |
| Aug 23, 2026 | 13.14% (0.13137) | 96.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.96% (0.14960) | 96.28th | v5 (v2026.06.15) |
| Apr 9, 2026 | 24.46% (0.24463) | 96.11th | v4 (v2025.03.14) |
| Apr 6, 2026 | 30.05% (0.30054) | 96.64th | v4 (v2025.03.14) |
| Jan 8, 2026 | 32.23% (0.32235) | 96.68th | v4 (v2025.03.14) |
| Dec 28, 2025 | 26.43% (0.26426) | 96.15th | v4 (v2025.03.14) |
| Dec 27, 2025 | 23.41% (0.23412) | 95.80th | v4 (v2025.03.14) |
| Nov 21, 2025 | 26.93% (0.26926) | 96.16th | v4 (v2025.03.14) |
| Nov 18, 2025 | 54.12% (0.54117) | 97.91th | v4 (v2025.03.14) |
| Oct 28, 2025 | 30.99% (0.30991) | 96.51th | v4 (v2025.03.14) |
| Oct 27, 2025 | 27.69% (0.27695) | 96.23th | v4 (v2025.03.14) |
| Oct 19, 2025 | 30.99% (0.30991) | 96.49th | v4 (v2025.03.14) |
| Oct 1, 2025 | 39.63% (0.39630) | 97.22th | v4 (v2025.03.14) |
| Sep 3, 2025 | 35.99% (0.35994) | 96.99th | v4 (v2025.03.14) |
| Jul 12, 2025 | 33.02% (0.33023) | 96.69th | v4 (v2025.03.14) |
| Mar 30, 2025 | 29.83% (0.29825) | 96.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 41.01% (0.41013) | 96.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 29.83% (0.29825) | 96.24th | v4 (v2025.03.14) |
| Dec 17, 2024 | 21.48% (0.21483) | 96.44th | v3 (v2023.03.01) |
| Aug 6, 2024 | 25.70% (0.25698) | 96.76th | v3 (v2023.03.01) |
| Jun 10, 2024 | 28.32% (0.28315) | 96.87th | v3 (v2023.03.01) |
| Apr 23, 2024 | 32.29% (0.32289) | 96.96th | v3 (v2023.03.01) |
| Jan 31, 2024 | 39.64% (0.39637) | 96.92th | v3 (v2023.03.01) |
| Dec 9, 2023 | 55.05% (0.55045) | 97.33th | v3 (v2023.03.01) |
| Nov 20, 2023 | 64.69% (0.64693) | 97.56th | v3 (v2023.03.01) |
| Nov 3, 2023 | 70.92% (0.70924) | 97.69th | v3 (v2023.03.01) |
| Oct 16, 2023 | 80.65% (0.80653) | 97.94th | v3 (v2023.03.01) |
| Oct 1, 2023 | 82.55% (0.82546) | 98.00th | v3 (v2023.03.01) |
| Sep 13, 2023 | 86.41% (0.86415) | 98.16th | v3 (v2023.03.01) |
| Jul 8, 2023 | 88.93% (0.88929) | 98.24th | v3 (v2023.03.01) |
| Jun 19, 2023 | 86.96% (0.86957) | 98.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 88.36% (0.88364) | 98.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 16.17% (0.16168) | 96.11th | v2 (v2022.01.01) |
| Apr 1, 2022 | 16.17% (0.16168) | 95.75th | v2 (v2022.01.01) |
| Feb 4, 2022 | 16.17% (0.16168) | 92.73th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.45% (0.09448) | 86.95th | v1 |
| Jan 6, 2022 | 9.45% (0.09448) | 86.79th | v1 |
| Sep 1, 2021 | 9.45% (0.09448) | 94.05th | v1 |
| Apr 14, 2021 | 9.45% (0.09448) | 0.00th | v1 |
References (14)
- https://access.redhat.com/errata/RHSA-2019:2053 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-18557 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1644229 Issue Tracking
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557 x_refsource_MISC
- https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a66 x_refsource_MISC
- https://gitlab.com/libtiff/libtiff/merge_requests/38 x_refsource_MISCThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-18557
- https://security.gentoo.org/glsa/201904-15 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/3864-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3906-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-18557
- https://www.debian.org/security/2018/dsa-4349 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.exploit-db.com/exploits/45694/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.