Stack-based buffer overflow in HarfBuzz - #VU78910

 

Stack-based buffer overflow in HarfBuzz - #VU78910

Published: August 3, 2023


Vulnerability identifier: #VU78910
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in repacker with malicious fonts. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

HarfBuzz

Remediation

Install updates from vendor's website.

HarfBuzz - update to 8.1.1

External References

Related Security Bulletins