CVE-2023-40294: 0branch Boron

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.

Affected products

• 0branch Boron: version 2.0.8 only

Published 2023-08-14. Last modified 2026-06-17.