What’s Vulnerable › Vulnerabilities

CVE-2019-25695: R 3.4.4 Local Buffer Overflow Windows XP SP3

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-12 · updated 2026-07-15
• Weakness: CWE-787

Description

R 3.4.4 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by injecting malicious input into the GUI Preferences language field. Attackers can craft a payload with a 292-byte offset and JMP ESP instruction to execute commands like calc.exe when the payload is pasted into the Language for menus and messages field.

Affected products

• R-Project R: 3.4.4

References

• https://cloud.r-project.org/bin/windows/
• https://www.exploit-db.com/exploits/46265
• https://www.vulncheck.com/advisories/r-local-buffer-overflow-windows-xp-sp3
• https://access.redhat.com/security/cve/CVE-2019-25695
• https://bugzilla.redhat.com/show_bug.cgi?id=2457652
• https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-25695.json

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