CVE-2018-25258
Local buffer overflow in RGui 3.5.0 GUI prefs via SEH enables code execution.
Is CVE-2018-25258 being exploited?
Not confirmed. CVE-2018-25258 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.19% probability of exploitation in the next 30 days.
How severe is CVE-2018-25258?
CVE-2018-25258 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2018-25258?
Not known from our data. No patch reference has been recorded for CVE-2018-25258, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2018-25258 affect?
CVE-2018-25258 affects RGui 3.5.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2018-25258?
Patch when available; upgrade to fixed version.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local attacker can trigger stack-based overflow in GUI prefs (SEH) to bypass DEP and execute arbitrary code.
Patch when possible
- affected3.5.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.