CVE-2020-15977: Insufficient data validation in dialogs

Published Jun 22, 2020
·
Updated

Insufficient data validation in dialogs in Google Chrome on OS X prior to 86.0.4240.75 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page.

Credit

Narendra Bhati (https://twitter.com/imnarendrabhati)

Affected Software

9 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
Google Chrome<86.0.4240.75
86.0.4240.75
Google Chrome<86.0.4240.75
Apple iOS and macOS
Debian Debian Linux=10.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Fedoraproject Fedora=33
openSUSE Backports SLE=15.0-sp2

Event History

Jun 22, 2020
CVE Published
12:00 AM
Nov 3, 2020
CVE Published
via MITRE·02:21 AM
Data Sourced
via MITRE·02:21 AM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2020-15977.

2

What is the severity of CVE-2020-15977?

The severity of CVE-2020-15977 is medium.

3

How does CVE-2020-15977 impact Google Chrome on OS X?

CVE-2020-15977 allows a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page in Google Chrome on OS X prior to version 86.0.4240.75.

4

How can I fix CVE-2020-15977?

To fix CVE-2020-15977, update to Google Chrome version 86.0.4240.75 or later.

5

Are other operating systems affected by CVE-2020-15977?

No, other operating systems are not affected by CVE-2020-15977.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203