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CVE-2017-12603

Out-of-bounds Write in OpenCV

8.8 HighFix available

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.99%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
CVE-2017-12603
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
CVE-2017-12603
Updated
2026-11-02
EUVDEUVD-2021-2171 No score

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
EUVD-2021-2171
Updated
2026-11-03
GitHub AdvisoriesGHSA-6v6p-p97v-g2p7 8.8

Out-of-bounds Write in OpenCV

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
GHSA-6v6p-p97v-g2p7
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 8.8

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
CVE-2017-12603
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-12603 8.8

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
DEBIAN-CVE-2017-12603
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVGHSA-6v6p-p97v-g2p7 8.8

Out-of-bounds Write in OpenCV

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
GHSA-6v6p-p97v-g2p7
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVPYSEC-2026-2809 8.8

Out-of-bounds Write in OpenCV

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
PYSEC-2026-2809
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVPYSEC-2026-701 8.8

Out-of-bounds Write in OpenCV

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
PYSEC-2026-701
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-12603 8.8

OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

Record
UBUNTU-CVE-2017-12603
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
opencv-python
PyPI
 through 3.3.0.9
3.3.1.11
opencv-contrib-python
PyPI
 through 3.3.0.9
3.3.1.11
opencv
Debian:12
 before 3.2.0+dfsg-6
3.2.0+dfsg-6
opencv
Debian:13
 before 3.2.0+dfsg-6
3.2.0+dfsg-6
opencv
Debian:14
 before 3.2.0+dfsg-6
3.2.0+dfsg-6
opencv
Debian:7
From an advisory covering 12 CVEs
 before 2.3.1-11+deb7u2, plus listed versions
2.3.1-112.3.1-11+deb7u1
2.3.1-11+deb7u2
opencv
Debian:8
From an advisory covering 16 CVEs
 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
opencv
Debian:9
From an advisory covering 18 CVEs
 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-python
PyPI
 before 3.3.1.11
3.3.1.11
opencv-contrib-python
PyPI
 before 3.3.1.11
3.3.1.11
opencv
Ubuntu: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
opencv
Ubuntu: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

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-12603 is a high vulnerability (CVSS 8.8) in Opencv, published August 7, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. Fixed in opencv-python 3.3.1.11.

References

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