CVE-2019-20503: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 3.1% chance of exploitation in the next 30 days.

usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 19.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Usrsctp Project Usrsctp: before 0.9.4.0 (fixed in 0.9.4.0)

Published 2020-03-06. Last modified 2026-06-17.