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CVE-2019-25656

HIGH

8.4

Description

R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.

CVE Details

CVSS v3.1 Score8.4

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/5/2026

Last Modified4/5/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-787

References

https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46288(disclosure@vulncheck.com)

https://www.r-project.org/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/r-i386-local-buffer-overflow-seh(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.