CVE-2018-6156 Memory corruption in Chrome

What is CVE-2018-6156?

CVE-2018-6156 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 27 Jun 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

Weakness: CWE-787

Which versions are affected by CVE-2018-6156?

It affects 2 products.

Products include Canonical Ubuntu Linux, Google Chrome.

How do I fix CVE-2018-6156?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-6156 being exploited?

There is no known exploitation of CVE-2018-6156 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 GHSA-7gg9-wvv7-mxp8, UBUNTU-CVE-2018-6156.