CVE-2018-19931: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils through 2.31. There is a heap-based buffer overflow in bfd_elf32_swap_phdr_in in elfcode.h because the number of program headers is not restricted.

Affected products

• Canonical Ubuntu Linux: version 18.04 only
• GNU Binutils: up to and including 2.31
• Netapp Vasa Provider: from 7.2

Published 2018-12-07. Last modified 2026-06-17.