CVE-2018-25217 PDF Explorer 1.5.66.2 Structured Exception Handler Local Code Execution
Local attackers can execute arbitrary code via a structured exception handler overflow in the Label field of the Custom fields settings dialog.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-25217?
CVE-2018-25217 is a high-severity memory corruption vulnerability in Rttsoftware PDF Explorer, published on 26 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PDF Explorer 1.5.66.2 contains a structured exception handler (SEH) overflow vulnerability that allows local attackers to execute arbitrary code by overwriting SEH records with malicious data. Attackers can craft a payload with buffer overflow, NSEH jump, and ROP gadget chains that execute when the Custom fields settings dialog processes the malicious input in the Label field.
Weakness: CWE-787
Which versions are affected by CVE-2018-25217?
It affects 1 product.
Products include Rttsoftware Pdf Explorer.
How do I fix CVE-2018-25217?
No fix has been published for CVE-2018-25217 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-2018-25217 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25217 exists.
Sources
Also known as GHSA-7v3h-hrvp-35cg.