CVE-2017-7757

Critical

Description

A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

SeverityCritical
CVSS9.8
Exploit probability—
ProductMozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018

How to fix

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 52.2.0, v < 54.052.2.0, 54.0
mozilla thunderbirdv < 52.2.052.2.0
debian debian_linux8.0, 9.0—

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CVE-2017-7757 · Mozilla Firefox · Dark Radar