Buffer overflow in R-Project R
CVE-2019-25485
R 3.4.4 on Windows x64 contains a buffer overflow vulnerability in the GUI Preferences language menu field that allows local attackers to bypass DEP and ASLR protections. Attackers can inject a crafted payload through the Language for menus preference to trigger a structured exception handler chain pivot and execute arbitrary shellcode with application privileges.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- R-Project R — versions 3.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ExploitDB-47122 (exploit)
- VulnCheck Advisory: R 3.4.4 Windows x64 Buffer Overflow SEH DEP ASLR Bypass (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25485?
- CVE-2019-25485 is a medium-severity vulnerability in R-Project R, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-11.
- How severe is CVE-2019-25485?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2019-25485 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.