Incorrect Type Conversion or Cast Affecting firefox-esr package, versions <60.2.2esr-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
4.77% (93rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIAN11-FIREFOXESR-525396
  • published9 Oct 2018
  • disclosed18 Oct 2018

Introduced: 9 Oct 2018

CVE-2018-12386  (opens in a new tab)
CWE-704  (opens in a new tab)

How to fix?

Upgrade Debian:11 firefox-esr to version 60.2.2esr-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:11 relevant fixed versions and status.

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.