CVE-2019-25695 R 3.4.4 Local Buffer Overflow Windows XP SP3
Attackers can execute arbitrary code by injecting malicious input into the GUI Preferences language field in R.
- 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-2019-25695?
CVE-2019-25695 is a high-severity memory corruption vulnerability in r-project R, published on 12 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
R 3.4.4 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by injecting malicious input into the GUI Preferences language field. Attackers can craft a payload with a 292-byte offset and JMP ESP instruction to execute commands like calc.exe when the payload is pasted into the Language for menus and messages field.
Weakness: CWE-787
Which versions are affected by CVE-2019-25695?
How do I fix CVE-2019-25695?
No fix has been published for CVE-2019-25695 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-2019-25695 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25695 exists.
Sources
Also known as GHSA-j4f8-4p6w-v5h6, UBUNTU-CVE-2019-25695.