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Vulnerability record · CVE-2019-25695 · published 12 April 2026

CVE-2019-25695: Out-of-bounds write vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.19% · top 92.2% CWE-787 · Out-of-bounds write Deferred
8.6CVSS 4.0 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
15 Jul 2026Last modified by NVD

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.

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/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:

References

LinkTags
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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-25695), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.