How severe is CVE-2018-25273?

CVE-2018-25273 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-25273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25273?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2018-25273 have an EU (EUVD) identifier?

Yes. CVE-2018-25273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21793.

When was CVE-2018-25273 published?

CVE-2018-25273 was published on 2026-04-26 and last updated on 2026-06-17.

CVE-2018-25273

CVE-2018-25273 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v4: 6.9
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21793
Weakness: CWE-120
Published: 2026-04-26
Last modified: 2026-06-17

Description

CrossFont 7.5 contains a buffer overflow vulnerability that allows local attackers to crash the application by submitting an oversized payload in the License Key field. Attackers can generate a malicious file containing 4000 bytes of data, paste it into the License Key input field, and trigger an application crash when processing the input.

Frequently asked questions

What is CVE-2018-25273?: CrossFont 7.5 contains a buffer overflow vulnerability that allows local attackers to crash the application by submitting an oversized payload in the License Key field. Attackers can generate a malicious file containing 4000 bytes of data, paste it into the License Key input field, and trigger an application crash when processing the input.
How severe is CVE-2018-25273?: CVE-2018-25273 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-25273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25273 have an EU (EUVD) identifier?: Yes. CVE-2018-25273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21793.
When was CVE-2018-25273 published?: CVE-2018-25273 was published on 2026-04-26 and last updated on 2026-06-17.

References

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