CVE-2016-5823: Libical Project Libical

Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days.

The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.

Affected products

• Libical Project Libical: version 0.47 only; version 1.0 only

Published 2017-01-27. Last modified 2026-06-17.