openjpeg: integer overflow in opj_t1_encode_cblks in src/lib/openjp2/t1.c
Published Jan 16, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.89%
Description
In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.
Affected products
No data.
No data.
Red Hat Enterprise Linux 8
openjpeg2-0:2.4.0-4.el8
Fixed · RHSA-2021:4251
Red Hat Enterprise Linux 6
openjpeg
Not affected
Red Hat Enterprise Linux 7
openjpeg
Not affected
Red Hat Enterprise Linux 8
openjpeg
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | openjpeg2-0:2.4.0-4.el8 | Fixed | RHSA-2021:4251 |
| Red Hat Enterprise Linux 6 | openjpeg | Not affected | n/a |
| Red Hat Enterprise Linux 7 | openjpeg | Not affected | n/a |
| Red Hat Enterprise Linux 8 | openjpeg | 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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.89% (0.01894) | 78.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.94% (0.01938) | 77.39th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.26% (0.00256) | 65.83th | v3 (v2023.03.01) |
| May 18, 2024 | 0.26% (0.00256) | 65.35th | v3 (v2023.03.01) |
| Nov 26, 2023 | 0.26% (0.00256) | 63.34th | v3 (v2023.03.01) |
| May 8, 2023 | 0.17% (0.00167) | 51.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00137) | 47.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.65% (0.00651) | 18.22th | v1 |
| Jan 6, 2022 | 0.65% (0.00651) | 17.65th | v1 |
| Sep 1, 2021 | 0.65% (0.00651) | 45.91th | v1 |
| Apr 14, 2021 | 0.65% (0.00651) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-5727 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1536552 Issue Tracking
- https://github.com/uclouvain/openjpeg/issues/1053 x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5727
- https://www.cve.org/CVERecord?id=CVE-2018-5727
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-5727 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1536552 | Issue Tracking | |
| https://github.com/uclouvain/openjpeg/issues/1053 | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-5727 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-5727 |
Change history (0)
No recorded changes yet.