High severity8.4NVD Advisory· Published Apr 5, 2026· Updated Apr 16, 2026

CVE-2019-25656

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exenvd
www.exploit-db.com/exploits/46288nvd
www.r-project.orgnvd
www.vulncheck.com/advisories/r-i386-local-buffer-overflow-sehnvd

News mentions

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