CVE-2018-5268
Out-of-bounds Write in OpenCV.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-5268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-5268- Updated
- 2026-11-02
EUVDEUVD-2021-2185 No score
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.
- Record
EUVD-2021-2185- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9g8h-pjm4-q92p
Out-of-bounds Write in OpenCV.
In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
- Record
GHSA-9g8h-pjm4-q92p- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-5268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-5268
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.
- Record
DEBIAN-CVE-2018-5268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-9g8h-pjm4-q92p
Out-of-bounds Write in OpenCV.
In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
- Record
GHSA-9g8h-pjm4-q92p- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVPYSEC-2026-2814
Out-of-bounds Write in OpenCV.
In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
- Record
PYSEC-2026-2814- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVPYSEC-2026-705
Out-of-bounds Write in OpenCV.
In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
- Record
PYSEC-2026-705- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-5268
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.
- Record
UBUNTU-CVE-2018-5268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
opencv-pythonPyPI |
through 3.3.1.11 | 3.4.1.15 |
opencv-contrib-pythonPyPI |
through 3.3.1.11 | 3.4.1.15 |
opencvDebian:12 |
before 3.2.0+dfsg-6 | 3.2.0+dfsg-6 |
opencvDebian:13 |
before 3.2.0+dfsg-6 | 3.2.0+dfsg-6 |
opencvDebian:14 |
before 3.2.0+dfsg-6 | 3.2.0+dfsg-6 |
opencvDebian:7 |
before 2.3.1-11+deb7u4, plus listed versions 2.3.1-112.3.1-11+deb7u12.3.1-11+deb7u22.3.1-11+deb7u3 |
2.3.1-11+deb7u4 |
opencvDebian:8 |
before 2.4.9.1+dfsg-1+deb8u2, plus listed versions 2.4.9.1+dfsg-12.4.9.1+dfsg-1+deb8u1 |
2.4.9.1+dfsg-1+deb8u2 |
opencvDebian:9 |
before 2.4.9.1+dfsg1-2+deb9u1, plus listed versions 2.4.9.1+dfsg1-2 |
2.4.9.1+dfsg1-2+deb9u1 |
opencv-pythonPyPI |
before 3.4.1.15, plus listed versions 3.4.0.14 |
3.4.1.15 |
opencv-contrib-pythonPyPI |
before 3.4.1.15 | 3.4.1.15 |
opencvUbuntu:16.04:LTS |
before 2.4.9.1+dfsg-1.5ubuntu1.1, plus listed versions 2.4.9+dfsg-1ubuntu62.4.9.1+dfsg-1.2ubuntu12.4.9.1+dfsg-1.3ubuntu12.4.9.1+dfsg-1.5ubuntu1 |
2.4.9.1+dfsg-1.5ubuntu1.1 |
opencvUbuntu:18.04:LTS |
before 3.2.0+dfsg-4ubuntu0.1, plus listed versions 3.1.0+dfsg1-1~exp1ubuntu33.2.0+dfsg-33.2.0+dfsg-43.2.0+dfsg-4build13.2.0+dfsg-4build2 |
3.2.0+dfsg-4ubuntu0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5268 is a medium vulnerability (CVSS 5.5) in Opencv, published January 8, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. Fixed in opencv-python 3.4.1.15.
References
lists.debian.org/debian-lts-announce/2018/07/msg00030.html
securityfocus.com/bid/106945
github.com/opencv/opencv/issues/10541
nvd.nist.gov/vuln/detail/CVE-2018-5268
Show 8 moreShow less
security-tracker.debian.org/tracker/CVE-2018-5268
pypi.org/project/opencv-python
ubuntu.com/security/CVE-2018-5268
cve.org/CVERecord?id=CVE-2018-5268