CVE-2018-25285: Fathom

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

Fathom 2.4 contains a buffer overflow vulnerability in the Authorization Code field that allows local attackers to crash the application by submitting an oversized input string. Attackers can paste a 6000-byte payload into the Authorization Code field and click Activate to trigger a denial of service condition.

Affected products

  • Fathom Fathom: version 2.4 only

Published 2026-04-26. Last modified 2026-06-17.