Improper Input Validation Affecting mozilla package, versions [,60.2.2)(60.2.2,62.0.3)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
8.14% (95th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377693
  • published26 Jan 2022
  • disclosed18 Oct 2018
  • creditUnknown

Introduced: 18 Oct 2018

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

How to fix?

Upgrade mozilla to version 60.2.2, 62.0.3 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. 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.

CVSS Scores

version 3.1