CVE-2019-25656
HIGH EPSS 5.5%
Published Apr 5, 20262mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 4.0
Published Apr 5, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
5.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
References 4
- cran.r-project.org https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe
- exploit-db.com https://www.exploit-db.com/exploits/46288
- r-project.org https://www.r-project.org/
- vulncheck.com https://www.vulncheck.com/advisories/r-i386-local-buffer-overflow-seh
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.