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CVE
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CVE-2018-7548Date: (C)2018-02-28   (M)2023-12-22


In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
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: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
GLSA-201805-10
USN-3593-1
https://sourceforge.net/p/zsh/code/ci/110b13e1090bc31ac1352b28adc2d02b6d25a102

CWE    1
CWE-476
OVAL    9
oval:org.secpod.oval:def:2103387
oval:org.secpod.oval:def:114344
oval:org.secpod.oval:def:115103
oval:org.secpod.oval:def:1700019
...

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