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CVE
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CVE-2021-1875Date: (C)2021-07-15   (M)2023-12-22


A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted file may lead to heap corruption.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 6.8
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://support.apple.com/en-us/HT212317
https://support.apple.com/en-us/HT212323
https://support.apple.com/en-us/HT212324
https://support.apple.com/en-us/HT212325
https://support.apple.com/en-us/HT212326
https://support.apple.com/en-us/HT212327

CPE    5
cpe:/o:apple:mac_os_x:10.15
cpe:/o:apple:mac_os_x:10.14
cpe:/o:apple:mac_os_x:10.15.6:supplemental_update
cpe:/o:apple:mac_os_x:10.15.7:security_update_2020-005
...
CWE    1
CWE-415
OVAL    5
oval:org.secpod.oval:def:71514
oval:org.secpod.oval:def:71490
oval:org.secpod.oval:def:71519
oval:org.secpod.oval:def:71453
...

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