CVE-2018-5268
Publication date 8 January 2018
Last updated 25 August 2025
Ubuntu priority
Description
In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
From the Ubuntu Security Team
It was discovered that OpenCV incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service, execute arbitrary code or other unspecified impact.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| opencv | 18.04 LTS bionic |
Fixed 3.2.0+dfsg-4ubuntu0.1
|
| 16.04 LTS xenial |
Fixed 2.4.9.1+dfsg-1.5ubuntu1.1
|
|
| 14.04 LTS trusty |
Fixed 2.4.8+dfsg1-2ubuntu1.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.5 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |