CVE-2019-25656
R i386 3.5.0 Local Buffer Overflow SEH
- State
- Published
- Severity
- 8.6 High
- Published
- Apr 5, 2026
- Updated
- Apr 6, 2026
- Reserved
- Apr 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.4 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
R i386R-Project |
|
References
- ExploitDB-46288exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: R i386 3.5.0 Local Buffer Overflow SEHthird-party-advisory
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