Symantec Encryption Desktop 10.3.x before 10.3.2 MP3, and Symantec PGP Desktop 10.0.x through 10.2.x, allows remote attackers to cause a denial of service (CPU and memory consumption) via a crafted encrypted e-mail message that decompresses to a larger size.
https://exchange.xforce.ibmcloud.com/vulnerabilities/95406