exempi: Use after free via a PDF file containing JPEG data
Published Mar 15, 2018
7.8
HIGHCVSS 3.0
EPSS 1.65%
Description
An issue was discovered in Exempi before 2.4.3. It allows remote attackers to cause a denial of service (invalid memcpy with resultant use-after-free) or possibly have unspecified other impact via a .pdf file containing JPEG data, related to XMPFiles/source/FormatSupport/ReconcileTIFF.cpp, XMPFiles/source/FormatSupport/TIFF_MemoryReader.cpp, and XMPFiles/source/FormatSupport/TIFF_Support.hpp.
Affected products
No data.
Configuration 1
- < 2.4.3
Configuration 2
- 7.0
Configuration 3
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 7
exempi-0:2.2.0-9.el7
Fixed · RHSA-2019:2048
Red Hat Enterprise Linux 6
exempi
Will not fix
Red Hat Enterprise Linux 8
exempi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | exempi-0:2.2.0-9.el7 | Fixed | RHSA-2019:2048 |
| Red Hat Enterprise Linux 6 | exempi | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | exempi | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of exempi as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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:H/I:H/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: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 v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.65% (0.01649) | 75.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.71% (0.01707) | 74.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00184) | 37.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.58% (0.00581) | 78.83th | v3 (v2023.03.01) |
| Feb 23, 2024 | 0.41% (0.00410) | 73.27th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00347) | 70.88th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.35% (0.00347) | 68.74th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.29% (0.00289) | 64.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00242) | 60.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (9)
- https://access.redhat.com/errata/RHSA-2019:2048 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-18234 Vendor Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=100397 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1559590 Issue Tracking
- https://cgit.freedesktop.org/exempi/commit/?id=c26d5beb60a5a85f76259f50ed3e08c8169b0a0c x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18234
- https://usn.ubuntu.com/3668-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-18234
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:2048 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-18234 | Vendor Advisory | |
| https://bugs.freedesktop.org/show_bug.cgi?id=100397 | x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1559590 | Issue Tracking | |
| https://cgit.freedesktop.org/exempi/commit/?id=c26d5beb60a5a85f76259f50ed3e08c8169b0a0c | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18234 | ||
| https://usn.ubuntu.com/3668-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-18234 |
Change history (0)
No recorded changes yet.