PT-2026-30465 · R+1 · R I386+1

Published 2026-04-05 · Updated 2026-04-05 · CVE-2019-25656

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions R i386 version 3.5.0

Description A local buffer overflow exists in the GUI Preferences dialog. Local attackers can trigger a structured exception handler (SEH) overwrite—a technique used to hijack the program's error-handling mechanism—by providing malicious input in the 'Language for menus and messages' field. This can lead to arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-25656

Affected Products

R I386

R-Base

References · 8

• 🔥 https://exploit-db.com/exploits/46288 · Exploit
• https://ubuntu.com/security/CVE-2019-25656 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25656 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-25656 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-25656 · Security Note
• https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe · Note
• https://r-project.org · Note
• https://vulncheck.com/advisories/r-i386-local-buffer-overflow-seh · Note