Integer overflow in HarfBuzz - CVE-2022-33068
Published: July 19, 2022
Vulnerability identifier: #VU65442
CSH Severity: Medium
CVSS v4.0: 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-2022-33068
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
HarfBuzz
HarfBuzz
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in hb-ot-shape-fallback.cc. A remote attacker can pass specially crafted data to the application, trigger integer overflow and crash the application.
How to mitigate CVE-2022-33068
Install updates from vendor's website.