CVE-2015-1522: Bro

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not reject certain non-zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read) via a crafted DNP3 packet.

Affected products

• Bro Bro: up to and including 2.3.1

Published 2017-04-24. Last modified 2026-06-17.