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.

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

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

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.

Affected products

R-project R — versions 3.4.4

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

TheMalwareGuardian/CVE-2019-25485

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.