Buffer Overflow Vulnerability in R 3.4.4 on Windows x64
CVE-2019-25485

6.9MEDIUM

Key Information:

Vendor

R-project

Status
R
Vendor
CVE Published:
11 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25485?

R 3.4.4 for Windows x64 is susceptible to a buffer overflow vulnerability within the GUI Preferences language menu. This vulnerability enables local attackers to circumvent Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) protections. By injecting a carefully crafted payload through the language settings, attackers can manipulate the structured exception handler chain, allowing them to execute arbitrary shellcode with the privileges of the application.

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Affected Version(s)

R 3.4.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25485 - Proof of Concept

CVE-2019-25485
Created by TheMalwareGuardian

References

https://www.exploit-db.com/exploits/47122
exploit
https://www.vulncheck.com/advisories/r-windows-x64-buffer...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

blackleitus
JSON
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