CVE-2026-12386 Buffer Overflow in TUBITAK BILGEM's Pardus Pen
A buffer overflow in Pardus Pen allows attackers to execute arbitrary code or cause denial of service via improper null termination.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-12386?
CVE-2026-12386 is a low-severity memory corruption vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen, published on 5 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper null termination vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen allows Overflow Buffers.
This issue affects Pardus Pen: from <=4.1.5 before 4.2.1.
Weakness: CWE-170
Which versions are affected by CVE-2026-12386?
How do I fix CVE-2026-12386?
No fix has been published for CVE-2026-12386 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-12386 being exploited?
There is no known exploitation of CVE-2026-12386 in the wild and no public exploit code.
Sources
Also known as GHSA-hmmj-28g4-h22x.