CVE-2018-6951

HIGH

GNU patch < 2.7.6 - Denial of Service via Mangled Rename NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch.c, aka a "mangled rename" issue.

References (5)

Core 5
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3624-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103044
Issue Tracking, Vendor Advisory x_refsource_misc
https://savannah.gnu.org/bugs/index.php?53132
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201904-17

Scores

CVSS v3 7.5
EPSS 0.4544
EPSS Percentile 97.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (4)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
gnu/patch < 2.7.6
Published Feb 13, 2018
Tracked Since Feb 18, 2026