CVE-2018-25273 — CrossFont 7.5 Denial of Service via License Key Field

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MEDIUM

CrossFont 7.5 Denial of Service via License Key Field

Published Apr 26, 2026

6.9

MEDIUM

CVSS 4.0

EPSS 0.13%

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.

Affected products

Vendor Acutesystems Product CrossFont Default
n/a
- Version
  7.5
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Acutesystems

CrossFont

n/a

Version	Status	Constraints
7.5	affected	-

Remediation

No remediation recorded yet.

Metrics

0.13% 0.00126

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00126

Score over time

Apr–Oct 2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.13% (0.00126)	1.98th	v5 (v2026.06.15)
Jun 15, 2026	0.13% (0.00126)	2.62th	v5 (v2026.06.15)
Apr 27, 2026	0.01% (0.00013)	2.15th	v4 (v2025.03.14)

Weaknesses (1)

CWE-120

Classic Buffer Overflow

References (2)

https://www.exploit-db.com/exploits/45494
exploit
https://www.vulncheck.com/advisories/crossfont-denial-of-service-via-license-key-field
third-party-advisory

Link	Providers	Tags
https://www.exploit-db.com/exploits/45494		exploit
https://www.vulncheck.com/advisories/crossfont-denial-of-service-via-license-key-field		third-party-advisory