CVE-2017-8906 Information

Description

An integer underflow vulnerability exists in pixel-a.asm the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4 as used by the x265_encoder_encode dependency in libbpg and other products. A small picture can cause an integer underflow which leads to a Denial of Service in the process of encoding.

CVSS Vector

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

Reference

https://bitbucket.org/multicoreware/x265/issues/345/integer-underflow-in-x265-source-common

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5