CVE-2018-25285CWE-120

Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow

Medium · published April 26, 2026

CVSS v4.0
6.8
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.8 · MEDIUM
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
EPSS
0.00130 · 2.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-04-26T13:19Z
EPSS history
Timeline
  • 26 APR 13:19Z
    Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow
    cvelistv5