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CVE-2019-16249

Out-of-bounds Read in OpenCV

5.3 MediumFix available

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

1.68%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
CVE-2019-16249
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
CVE-2019-16249
Updated
2026-11-02
EUVDEUVD-2021-2272 No score

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
EUVD-2021-2272
Updated
2026-11-03
GitHub AdvisoriesGHSA-x3rm-644h-67m8 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
GHSA-x3rm-644h-67m8
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-125
Updated
2026-11-02
OSV 5.3

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
CVE-2019-16249
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVGHSA-x3rm-644h-67m8 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
GHSA-x3rm-644h-67m8
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-125
Updated
2026-11-02
Show 6 moreShow less
OSVPYSEC-2026-2803 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
PYSEC-2026-2803
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVPYSEC-2026-2833 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
PYSEC-2026-2833
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVPYSEC-2026-2842 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
PYSEC-2026-2842
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVPYSEC-2026-726 5.3

Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
PYSEC-2026-726
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2019-16249 5.3

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Record
UBUNTU-CVE-2019-16249
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUSN-7247-1 No score

opencv vulnerabilities

It was discovered that OpenCV did not properly manage certain XML data, leading to a NULL pointer dereference. If a user were tricked into loading a specially crafted file, a remote attacker could possibly use this issue to make OpenCV crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-14493)

It was discovered that OpenCV may perform out-of-bounds reads in certain situations. An attacker could possibly use this issue to cause OpenCV to crash, resulting in a denial of service, or the execution of arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-16249, CVE-2019-19624)

It was discovered that the QR code module of OpenCV incorrectly processed certain maliciously crafted QR codes. A remote attacker could possibly use this issue to cause OpenCV to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-2617, CVE-2023-2618)

Record
USN-7247-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
opencv-python
PyPI
 through 4.1.1.26
4.1.2.30
opencv-python-headless
PyPI
 through 4.1.1.26
4.1.2.30
opencv-contrib-python
PyPI
 through 4.1.1.26
4.1.2.30
opencv-contrib-python-headless
PyPI
 through 4.1.1.26
4.1.2.30
opencv-python
PyPI
 before 4.1.2.30, plus listed versions
3.4.0.143.4.1.153.4.10.353.4.10.373.4.11.39
Show 26 moreShow less
3.4.11.413.4.11.433.4.11.453.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.2.173.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.313.4.9.334.0.0.214.0.1.234.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv-python-headless
PyPI
 before 4.1.2.30, plus listed versions
3.4.10.373.4.11.393.4.11.413.4.11.433.4.11.45
Show 20 moreShow less
3.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.334.0.0.214.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv-contrib-python
PyPI
 before 4.1.2.30, plus listed versions
3.4.10.353.4.10.373.4.11.393.4.11.413.4.11.43
Show 24 moreShow less
3.4.11.453.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.2.173.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.313.4.9.334.0.0.214.0.1.234.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv-contrib-python-headless
PyPI
 before 4.1.2.30, plus listed versions
3.4.0.143.4.10.373.4.11.413.4.11.433.4.11.45
Show 22 moreShow less
3.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.2.173.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.334.0.0.214.0.1.234.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv-python
PyPI
 before 4.1.2.30, plus listed versions
3.4.0.143.4.1.153.4.10.353.4.10.373.4.11.39
Show 27 moreShow less
3.4.11.413.4.11.433.4.11.453.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.2.163.4.2.173.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.313.4.9.334.0.0.214.0.1.234.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv-contrib-python-headless
PyPI
 before 4.1.2.30, plus listed versions
3.4.0.143.4.1.153.4.10.373.4.11.393.4.11.41
Show 24 moreShow less
3.4.11.433.4.11.453.4.13.473.4.14.513.4.14.533.4.15.553.4.16.573.4.16.593.4.17.613.4.17.633.4.18.653.4.2.173.4.3.183.4.4.193.4.5.203.4.6.273.4.7.283.4.8.293.4.9.334.0.0.214.0.1.234.0.1.244.1.0.254.1.1.26
4.1.2.30
opencv
Ubuntu:Pro:18.04:LTS
 before 3.2.0+dfsg-4ubuntu0.1+esm4, plus listed versions
3.1.0+dfsg1-1~exp1ubuntu33.2.0+dfsg-33.2.0+dfsg-43.2.0+dfsg-4build13.2.0+dfsg-4build23.2.0+dfsg-4ubuntu0.13.2.0+dfsg-4ubuntu0.1+esm23.2.0+dfsg-4ubuntu0.1+esm3
3.2.0+dfsg-4ubuntu0.1+esm4
opencv
Ubuntu:Pro:18.04:LTS
From an advisory covering 5 CVEs
 before 3.2.0+dfsg-4ubuntu0.1+esm4, plus listed versions
3.1.0+dfsg1-1~exp1ubuntu33.2.0+dfsg-33.2.0+dfsg-43.2.0+dfsg-4build13.2.0+dfsg-4build23.2.0+dfsg-4ubuntu0.13.2.0+dfsg-4ubuntu0.1+esm23.2.0+dfsg-4ubuntu0.1+esm3
3.2.0+dfsg-4ubuntu0.1+esm4
opencv
Ubuntu:Pro:22.04:LTS
From an advisory covering 5 CVEs
 before 4.5.4+dfsg-9ubuntu4+esm1, plus listed versions
4.5.3+dfsg-1ubuntu14.5.4+dfsg-9ubuntu24.5.4+dfsg-9ubuntu4
4.5.4+dfsg-9ubuntu4+esm1

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-2019-16249 is a medium vulnerability (CVSS 5.3) in Opencv, published September 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.68%, the 76th percentile. Fixed in opencv-python 4.1.2.30.

References

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