VULNERABILITY INTELLIGENCE

CVE-2020-36430

CVSS score7.8 HIGH
EPSS probability1.08%
CISA KEVNot currently listed
Published2021-07-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references