CVE-2017-5043 Use after free in Google Chrome prior to 57.0.2987.98 for Linux, Windows and Mac

What is CVE-2017-5043?

CVE-2017-5043 is a high-severity use after free vulnerability in Debian Debian Linux, published on 24 Apr 2017. 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

Chrome Apps in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac had a use after free bug in GuestView, which allowed a remote attacker to perform an out of bounds memory read via a crafted Chrome extension.

Weakness: CWE-416

Which versions are affected by CVE-2017-5043?

It affects 5 products.

Products include Debian Debian Linux, Google Chrome, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2017-5043?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-5043 being exploited?

There is no known exploitation of CVE-2017-5043 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as GHSA-2fh5-2q69-8g9v, UBUNTU-CVE-2017-5043.