Buffer overflow in R-Project R
CVE-2019-25695
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- R-project R — versions 3.4.4
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2019-25695?
- CVE-2019-25695 is a high-severity vulnerability in R-Project R, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-04-12.
- How severe is CVE-2019-25695?
- High severity. CVSS v3 base score is 8.4 out of 10.