SB2018111513 - Denial of service in HarfBuzz
Published: November 15, 2018 Updated: November 29, 2022
Security Bulletin ID
SB2018111513
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2015-9274)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling GPOS and GSUB table in hb-ot-layout-gpos-table.hh, hb-ot-layout-gsub-table.hh, and hb-ot-layout-gsubgpos-private.hh files. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service attack.
Remediation
Install update from vendor's website.