CVE-2018-6951 Null dereference in n/a

What is CVE-2018-6951?

CVE-2018-6951 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 13 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2018-6951?

It affects 2 products.

Products include Canonical Ubuntu Linux, Gnu Patch.

How do I fix CVE-2018-6951?

Upgrade to a fixed version.

Is CVE-2018-6951 being exploited?

There is no known exploitation of CVE-2018-6951 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-6951, AZL-35103, AZL-6787, CLEANSTART-2026-AO01721, DEBIAN-CVE-2018-6951, ECHO-a04b-93a1-35bc and 4 more.