exempi: Heap-based buffer overflow in third-party/zuid/interfaces/MD5.cpp:MD5Update() allows for denial of service via crafted TIFF image
Published Mar 6, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.32%
Description
An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FileHandlers/TIFF_Handler.cpp mishandles a case of a zero length, leading to a heap-based buffer over-read in the MD5Update() function in third-party/zuid/interfaces/MD5.cpp.
Affected products
No data.
Configuration 1
- ≤ 2.4.4
Configuration 2
- 14.04
- 16.04
- 17.10
Configuration 3
- 7.0
No data.
Red Hat Enterprise Linux 6
exempi
Not affected
Red Hat Enterprise Linux 7
exempi
Not affected
Red Hat Enterprise Linux 8
exempi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | exempi | Not affected | n/a |
| Red Hat Enterprise Linux 7 | exempi | Not affected | n/a |
| Red Hat Enterprise Linux 8 | exempi | 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.
CVSS:3.0/AV:L/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:L/UI:N/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 2, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.32% (0.01320) | 69.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.37% (0.01367) | 68.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.48% (0.00479) | 62.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00116) | 46.98th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.12% (0.00116) | 45.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2018-7728 Vendor Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=105205 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1555155 Issue Tracking
- https://cgit.freedesktop.org/exempi/commit/?id=e163667a06a9b656a047b0ec660b871f29a83c9f x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-7728
- https://usn.ubuntu.com/3668-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-7728
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-7728 | Vendor Advisory | |
| https://bugs.freedesktop.org/show_bug.cgi?id=105205 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1555155 | Issue Tracking | |
| https://cgit.freedesktop.org/exempi/commit/?id=e163667a06a9b656a047b0ec660b871f29a83c9f | x_refsource_MISCPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-7728 | ||
| https://usn.ubuntu.com/3668-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-7728 |
Change history (0)
No recorded changes yet.