CVE-2018-6616
MEDIUMCVSS 5.5/10EPSS 1.75%
Last modified
CVE-2018-6616 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Uclouvain | Openjpeg | 2.3.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Oracle | Georaster | 18c |
References
- https://github.com/uclouvain/openjpeg/issues/1059Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00013.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4109-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4405Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://github.com/uclouvain/openjpeg/issues/1059Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00013.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4109-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4405Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-6616?
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.
How severe is CVE-2018-6616?
CVE-2018-6616 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.75% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6616?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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