When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues
Exploitability
AV:LAC:LAT:PPR:NUI:NVulnerable System
VC:NVI:NVA:LSubsequent System
SC:NSI:LSA:N2.1/CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:L/SA:N