Out-of-bounds Write Affecting libass/libass package, versions [0.15.0,0.15.1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBASSLIBASS-2367365
  • published26 Jan 2022
  • disclosed20 Jul 2021
  • creditUnknown

Introduced: 20 Jul 2021

CVE-2020-36430  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade libass/libass to version 0.15.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.

CVSS Scores

version 3.1