CVE Database›Document archive›CVE-2019-20633

CVE-2019-20633

patch: double free in another_hunk function in pch.c

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · July 28, 2019

Updated · June 27, 2026

Description

A vulnerability was found in GNU Patch due to a double-free issue in the another_hunk function within pch.c, where an attacker could exploit this flaw to cause memory corruption, leading the application to crash and resulting in a denial of service.

Statement

This vulnerability was rated as LOW severity because it causes the application to crash, it doesn’t compromise system security, it can disrupt the application's normal function.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-416 · Use After Free