CVE-2015-4042: GNU Coreutils

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Integer overflow in the keycompare_mb function in sort.c in sort in GNU Coreutils through 8.23 might allow attackers to cause a denial of service (application crash) or possibly have unspecified other impact via long strings.

Affected products

• GNU Coreutils: up to and including 8.23

Published 2020-01-24. Last modified 2026-06-17.