CVE-2019-25485 - CVE House
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Status published Medium CVE-2019-25485

R 3.4.4 Windows x64 Buffer Overflow SEH DEP ASLR Bypass

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • blackleitus

References

More from R-Project

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CVE-2019-25656
R i386 3.5.0 Local Buffer Overflow SEH
High 8.6
CVE-2018-25258
RGui 3.5.0 Local Buffer Overflow SEH DEP Bypass
High 8.6

Affected Vendor

Affected Software

R
Vulnerable Versions:
3.4.4

Timeline

Official Publish: March 11th, 2026
Last Modified: July 15th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-787

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact