CVE-2014-4502: Bfgminer

High severity, CVSS 10.0. EPSS: 3.3% chance of exploitation in the next 30 days.

Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.

Affected products

• Bfgminer Bfgminer: up to and including 4.0.0; up to and including 3.2.9; version 3.2.0 only; version 3.2.1 only; version 3.2.2 only; version 3.2.3 only; …
• Sgminer Project Sgminer: up to and including 4.2.1; version 4.0.0 only; version 4.1.0 only; version 4.1.153 only; version 4.1.242 only; version 4.1.271 only; …

Published 2014-07-23. Last modified 2026-06-17.