exempi: NULL pointer dereference in WEBP_Support.hpp:WEBP::GetLE32() allows for denial of service
Published Jun 22, 2018
7.5
HIGHCVSS 3.0
EPSS 2.27%
Description
The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.
Affected products
No data.
- 2.4.5
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 WEBP format in the code of which the vulnerability exists.
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:N/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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.27% (0.02271) | 82.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.27% (0.02271) | 80.72th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.25% (0.00252) | 65.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00252) | 64.13th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.25% (0.00252) | 61.95th | v3 (v2023.03.01) |
| Jun 16, 2023 | 0.29% (0.00294) | 64.84th | v3 (v2023.03.01) |
| May 8, 2023 | 0.26% (0.00256) | 61.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.22% (0.00220) | 58.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.88% (0.00884) | 25.39th | v1 |
| Jan 6, 2022 | 0.88% (0.00884) | 24.77th | v1 |
| Sep 1, 2021 | 0.88% (0.00884) | 59.15th | v1 |
| Apr 14, 2021 | 0.88% (0.00884) | 0.00th | v1 |
References (7)
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00070.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00075.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2018-12648 Vendor Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=106981 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1594642 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-12648
- https://www.cve.org/CVERecord?id=CVE-2018-12648
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00070.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00075.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/security/cve/CVE-2018-12648 | Vendor Advisory | |
| https://bugs.freedesktop.org/show_bug.cgi?id=106981 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1594642 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-12648 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-12648 |
Change history (0)
No recorded changes yet.