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Medium · 5.5 CVE-2018-25285 EUVD-2018-21805GHSA-p5f8-q6q5-wq69

Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow

Published Apr 26, 2026 · Updated Apr 27, 2026 · Assigned by VulnCheck

Description

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

VendorProductAffectedFixed
Fathom Fathom 2.4 —

References