CVE-2026-107168CWE-835

CVE-2026-107168

Medium · published October 7, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
1.3
In the wild
Unconfirmed
What it is

A flaw was found in m17n-lib. By providing crafted input containing an invalid UTF-8 character sequence, an attacker can cause the text parsing function to enter an infinite loop. This issue leads to sustained high CPU utilization, resulting in a Denial of Service (DoS) for the affected application.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00112 · 1.3th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-10-07T17:17Z
References (2)
EPSS history
Timeline
  • 09 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 07 OCT 12:36Z
    M17n-lib: parser infinite loop on malformed utf-8 in count_utf_8_chars()
    cvelistv5