CVE-2019-25695
CVE-2019-25695 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-20130
- Weakness: CWE-787
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-25695?
- 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.
- How severe is CVE-2019-25695?
- CVE-2019-25695 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-25695 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25695?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2019-25695 have an EU (EUVD) identifier?
- Yes. CVE-2019-25695 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20130.
- When was CVE-2019-25695 published?
- CVE-2019-25695 was published on 2026-04-12 and last updated on 2026-06-30.
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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