CVE-2019-20633

MEDIUM

GNU patch < 2.7.6 - Denial of Service via Double Free in another_hunk

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Vendor Advisory x_refsource_misc
https://savannah.gnu.org/bugs/index.php?56683

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 29.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-415
Status published
Products (1)
gnu/patch < 2.7.6
Published Mar 25, 2020
Tracked Since Feb 18, 2026