CVE-2019-25656 HIGH

CVE-2019-25656: R i386 3.5.0 Local Buffer Overflow SEH

Vendor R-Project
Product R i386
Weakness CWE-787
Published April 5, 2026
Last update April 6, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 5, 2026 CVE published
April 6, 2026 Record updated