SB2017082415 - Integer underflow in x265
Published: August 24, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017082415
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer underflow (CVE-ID: CVE-2017-13666)
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.5, as used in libbpg and other products. A small height value can cause an integer underflow, which leads to a crash. This is a different vulnerability than CVE-2017-8906.
Remediation
Install update from vendor's website.