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Improper Input Validation Affecting firefox package, versions <62.0.3+build1-0ubuntu1

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
8.04% (95th percentile)

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  • Snyk IDSNYK-UBUNTU2110-FIREFOX-1752143
  • published9 Oct 2018
  • disclosed18 Oct 2018
Report a new vulnerability Found a mistake?

Introduced: 9 Oct 2018

CVE-2018-12387  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:21.10 firefox to version 62.0.3+build1-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:21.10 relevant fixed versions and status.

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.