Use After Free Affecting firefox-esr package, versions <68.3.0esr-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.04% (85th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-536518
  • published3 Dec 2019
  • disclosed8 Jan 2020

Introduced: 3 Dec 2019

CVE-2019-17011  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 68.3.0esr-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.

Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVSS Scores

version 3.1