exempi: assertion failure in VPXChunk class in XMPFiles/source/FormatSupport/WEBP_Support.cpp
Published Mar 15, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.05%
Description
An issue was discovered in Exempi before 2.4.3. The VPXChunk class in XMPFiles/source/FormatSupport/WEBP_Support.cpp does not ensure nonzero widths and heights, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted .webp file.
Affected products
No data.
- < 2.4.3
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
Red Hat statement
This issue did not affect the versions of Exempi as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for Web/P images.
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: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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.05% (0.01049) | 62.96th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.05% (0.01049) | 62.74th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00087) | 37.77th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.09% (0.00087) | 36.45th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.08% (0.00084) | 34.30th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.08% (0.00076) | 30.53th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.12% (0.00120) | 46.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00097) | 39.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01037) | 27.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01037) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2017-18235 Vendor Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=101913 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1559595 Issue Tracking
- https://cgit.freedesktop.org/exempi/commit/?id=9e76a7782a54a242f18d609e7ba32bf1c430a5e4 x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2017-18235
- https://www.cve.org/CVERecord?id=CVE-2017-18235
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-18235 | Vendor Advisory | |
| https://bugs.freedesktop.org/show_bug.cgi?id=101913 | x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1559595 | Issue Tracking | |
| https://cgit.freedesktop.org/exempi/commit/?id=9e76a7782a54a242f18d609e7ba32bf1c430a5e4 | x_refsource_CONFIRMPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18235 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-18235 |
Change history (0)
No recorded changes yet.