CVE-2018-6951

Published: Feb 13, 2018Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (4)

Products: Gnu: Patch · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Patch	Up to 2.7.6

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

http://www.securityfocus.com/bid/103044

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a

Source: cve@mitre.org

PatchVendor Advisory

https://savannah.gnu.org/bugs/index.php?53132

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://security.gentoo.org/glsa/201904-17

Source: cve@mitre.org

https://usn.ubuntu.com/3624-1/

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/103044