openjpeg2: Excessive iteration in openjp2/t1.c:opj_t1_encode_cblks can allow for denial of service via crafted BMP file
Published Feb 4, 2018
5.5
MEDIUMCVSS 3.1
EPSS 1.73%
Description
In OpenJPEG 2.3.0, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
Configuration 3
- 18.04
No data.
Red Hat Enterprise Linux 7
openjpeg2-0:2.3.1-1.el7
Fixed · RHEA-2019:2270
Red Hat Enterprise Linux 8
openjpeg2-0:2.3.1-1.el8
Fixed · RHBA-2019:3408
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | openjpeg2-0:2.3.1-1.el7 | Fixed | RHEA-2019:2270 |
| Red Hat Enterprise Linux 8 | openjpeg2-0:2.3.1-1.el8 | Fixed | RHBA-2019:3408 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect Red Hat Enterprise Linux 7.6 and older versions as they didn't include support for openjpeg2.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.73% (0.01727) | 76.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01745) | 74.77th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00083) | 21.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.31% (0.00309) | 70.82th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.31% (0.00309) | 70.10th | v3 (v2023.03.01) |
| Feb 20, 2024 | 0.30% (0.00303) | 68.86th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00253) | 64.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00253) | 61.29th | 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/security/cve/CVE-2018-6616 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1542321 Issue Tracking
- https://github.com/uclouvain/openjpeg/issues/1059 x_refsource_MISCExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-6616
- https://usn.ubuntu.com/4109-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6616
- https://www.debian.org/security/2019/dsa-4405 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-6616 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1542321 | Issue Tracking | |
| https://github.com/uclouvain/openjpeg/issues/1059 | x_refsource_MISCExploitThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/12/msg00013.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6616 | ||
| https://usn.ubuntu.com/4109-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-6616 | ||
| https://www.debian.org/security/2019/dsa-4405 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.oracle.com/security-alerts/cpujul2020.html | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.