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.

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Fixes

Solution

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Workaround

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History

Mon, 27 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Fathom
Fathom fathom
Vendors & Products Fathom
Fathom fathom

Mon, 27 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 26 Apr 2026 13:30:00 +0000

Type Values Removed Values Added
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.
Title Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-27T13:54:57.209Z

Reserved: 2026-04-26T13:07:40.876Z

Link: CVE-2018-25285

cve-icon Vulnrichment

Updated: 2026-04-27T13:54:29.495Z

cve-icon NVD

Status : Deferred

Published: 2026-04-26T22:17:29.457

Modified: 2026-04-27T18:55:32.883

Link: CVE-2018-25285

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-27T19:52:12Z

Weaknesses