Integer Overflow or Wraparound Affecting mozilla package, versions [,78.10)(78.10,88.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.31% (71st percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378747
  • published26 Jan 2022
  • disclosed24 Jun 2021
  • creditUnknown

Introduced: 24 Jun 2021

CVE-2021-29946  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.10, 88.0 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVSS Scores

version 3.1