CVE-2019-25485
R 3.4.4 Windows x64 Buffer Overflow SEH DEP ASLR Bypass
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.
INFO
Published Date :
March 11, 2026, 7:16 p.m.
Last Modified :
March 12, 2026, 9:08 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update R to a version that addresses the buffer overflow.
- Avoid setting custom language in GUI preferences.
- Apply security patches provided by the vendor.
- Review system configurations for security hardening.
Public PoC/Exploit Available at Github
CVE-2019-25485 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-25485.
| URL | Resource |
|---|---|
| https://www.exploit-db.com/exploits/47122 | |
| https://www.vulncheck.com/advisories/r-windows-x64-buffer-overflow-seh-dep-aslr-bypass |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-25485 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-25485
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Stack-based buffer overflow in R 3.4.4. Full exploitation on x86, but only RIP control with gadget analysis on x64 due to program constraints. The same vulnerability across two architectures, leading to different exploitation paths.
binary-exploitation cve-2019-25485
Python
A hands-on foundation in memory corruption, fuzzing, crash triage, and mitigation bypasses (from lab setup through CVE research to exploit development ).
exploit-development reverse-engineering
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-25485 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-25485 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Mar. 11, 2026
Action Type Old Value New Value Added Reference https://www.vulncheck.com/advisories/r-windows-x64-buffer-overflow-seh-dep-aslr-bypass Removed Reference https://www.vulncheck.com/advisories/r-windows-x-buffer-overflow-seh-dep-aslr-bypass -
New CVE Received by [email protected]
Mar. 11, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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 Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-787 Added Reference https://www.exploit-db.com/exploits/47122 Added Reference https://www.vulncheck.com/advisories/r-windows-x-buffer-overflow-seh-dep-aslr-bypass