CVE-2020-26682 Information

Description

In libass 0.14.0 the ass_outline_construct’s call to outline_stroke causes a signed integer overflow.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/libass/libass/issues/431 https://github.com/libass/libass/pull/432

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8