CVE-2018-25273
CWE-120Published: April 26, 2026· Updated: Apr 27, 2026
Official 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.
Technical Analysis
CVE-2018-25273 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.2.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-25273 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts