CVE-2018-25279 jiNa OCR Image to Text 1.0 Denial of Service via PNG
Local attackers can crash the jiNa OCR application by processing a specially crafted PNG file with an oversized buffer.
- 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-2018-25279?
CVE-2018-25279 is a medium-severity denial of service vulnerability in Convertimagetotext jiNa OCR Image to Text, published on 26 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
jiNa OCR Image to Text 1.0 contains a denial of service vulnerability that allows local attackers to crash the application by processing a malformed PNG file. Attackers can create a specially crafted PNG file with an oversized buffer and trigger the crash when the application attempts to convert the file to PDF.
Weakness: CWE-789
Which versions are affected by CVE-2018-25279?
How do I fix CVE-2018-25279?
No fix has been published for CVE-2018-25279 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-25279 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25279 exists.
Sources
Also known as GHSA-7f68-83rr-fcww.