CVE-2019-20633

PoC —

CVSS 3.1

5.5 medium

EPSS

1%p62

Published

Mar 25, 2020 (Mar 25, 2020)

Modified

Jun 17, 2026

Description

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

Vendors: gnu
Products: patch
Weakness: CWE-415
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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