CVE-2018-14599 Integer overflow in n/a

What is CVE-2018-14599?

CVE-2018-14599 is a critical vulnerability in Canonical Ubuntu Linux, published on 24 Aug 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 libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.

Weakness: CWE-193

Which versions are affected by CVE-2018-14599?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation and 1 more.

How do I fix CVE-2018-14599?

Apply the vendor's patch.

Is CVE-2018-14599 being exploited?

There is no known exploitation of CVE-2018-14599 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-2018-14599, DEBIAN-CVE-2018-14599, GHSA-4q9q-728x-j7v5, UBUNTU-CVE-2018-14599.