CVE-2020-15959 Information disclosure in Chrome

What is CVE-2020-15959?

CVE-2020-15959 is a medium-severity vulnerability in Debian Debian Linux, published on 21 Sep 2020. 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

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Which versions are affected by CVE-2020-15959?

It affects 5 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Google Chrome, Opensuse Backports Sle, Opensuse Leap.

How do I fix CVE-2020-15959?

Upgrade to a fixed version.

Is CVE-2020-15959 being exploited?

There is no known exploitation of CVE-2020-15959 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 DEBIAN-CVE-2020-15959, GHSA-7jfj-2652-mwfw, UBUNTU-CVE-2020-15959.