Use After Free Affecting firefox-esr package, versions <60.6.0esr-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.76% (82nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-340884
  • published20 Mar 2019
  • disclosed26 Apr 2019

Introduced: 20 Mar 2019

CVE-2019-9790  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 60.6.0esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.