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CVE-2015-4042

coreutils: possible buffer overflow in keycompare_mb()

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Severity

Low

Red Hat Product Security

3.7

CVSS 2.0

Review impact separately from score.

Published · April 27, 2015

Updated · November 22, 2025

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

This flaw is triggered by using sort on specially crafted malicious data file. When using sort with trusted inputs, this flaw cannot be triggered.

CVSS / CWE

CVSS 2.0 · 3.7
AV:L/AC:H/Au:N/C:P/I:P/A:P

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer