Out-of-bounds read in HarfBuzz - CVE-2015-9274
Published: November 29, 2022
Vulnerability identifier: #VU69668
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-9274
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
HarfBuzz
HarfBuzz
Software vendor:
Freedesktop.org
Freedesktop.org
Description
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 updates from vendor's website.