CVE-2019-25485: R 3.4.4 Windows x64 Buffer Overflow SEH DEP ASLR Bypass

Severity: medium (CVSS 6.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-11 · updated 2026-06-17
Weakness: CWE-787

Description

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.

Affected products

R-Project R: 3.4.4

References

https://www.exploit-db.com/exploits/47122
https://www.vulncheck.com/advisories/r-windows-x64-buffer-overflow-seh-dep-aslr-bypass

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