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CVE
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CVE-2019-19624Date: (C)2019-12-09   (M)2023-12-22


An out-of-bounds read was discovered in OpenCV before 4.1.1. Specifically, variable coarsest_scale is assumed to be greater than or equal to finest_scale within the calc()/ocl_calc() functions in dis_flow.cpp. However, this is not true when dealing with small images, leading to an out-of-bounds read of the heap-allocated arrays Ux and Uy.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 6.4
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 2.5Impact Score: 4.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: LOWAvailability: PARTIAL
Integrity: NONE 
Availability: LOW 
  
Reference:
https://access.redhat.com/security/cve/cve-2019-19624
https://github.com/opencv/opencv/commit/d1615ba11a93062b1429fce9f0f638d1572d3418
https://github.com/opencv/opencv/issues/14554

CPE    1
cpe:/a:opencv:opencv
CWE    1
CWE-125

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