https://seclists.org/oss-sec/2026/q1/51: Null Pointer Defence in HarfBuzz
Published Jan 12, 2026
·Updated
Affected Software
1 affected component
HarfBuzz HarfBuzz<12.3.0
Frequently Asked Questions
1
What is the severity of CVE-2026-1234?
The severity of CVE-2026-1234 is categorized as moderate due to the potential for application crashes.
2
How do I fix CVE-2026-1234?
To fix CVE-2026-1234, update to the latest version of HarfBuzz where the null pointer dereference vulnerability has been addressed.
3
What versions of HarfBuzz are affected by CVE-2026-1234?
CVE-2026-1234 affects previous versions of HarfBuzz prior to the security patch released on January 12, 2026.
4
What systems are vulnerable to CVE-2026-1234?
Any system running a vulnerable version of HarfBuzz is at risk of CVE-2026-1234.
5
What are the potential impacts of CVE-2026-1234?
The potential impacts of CVE-2026-1234 include application crashes and possible denial of service.