Out-of-bounds Read Affecting sass/libsass package, versions [,3.5.5)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.4% (74th percentile)

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  • Snyk IDSNYK-UNMANAGED-SASSLIBSASS-2364459
  • published26 Jan 2022
  • disclosed4 Dec 2018
  • creditUnknown

Introduced: 4 Dec 2018

CVE-2018-19839  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade sass/libsass to version 3.5.5 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read. In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.

CVSS Base Scores

version 3.1