CVE-2019-25550 Encrypt PDF 2.3 Denial of Service via Buffer Overflow
Local attackers can crash Encrypt PDF by pasting long strings into password fields, causing a buffer overflow during PDF import.
- 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-2019-25550?
CVE-2019-25550 is a medium-severity memory corruption vulnerability in Verypdf Encrypt PDF, published on 21 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Encrypt PDF 2.3 contains a buffer overflow vulnerability that allows local attackers to crash the application by inputting excessively long strings into password fields. Attackers can paste a 1000-byte buffer into the User Password or Master Password field in the Settings dialog to trigger an application crash when importing PDF files.
Weakness: CWE-787
Which versions are affected by CVE-2019-25550?
It affects 1 product.
Products include Verypdf Encrypt Pdf.
How do I fix CVE-2019-25550?
No fix has been published for CVE-2019-25550 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-2019-25550 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25550 exists.
Sources
Also known as GHSA-v333-cpp7-h389.