CVE-2018-17942: GNU Gnulib

High severity, CVSS 8.8. EPSS: 2.5% chance of exploitation in the next 30 days.

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

Affected products

• GNU Gnulib: before 2018-09-23 (fixed in 2018-09-23)

Published 2018-10-03. Last modified 2026-06-17.