Infinite loop Affecting mcdope/pam_usb package, versions [,0.9.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-MCDOPEPAMUSB-17660690
  • published27 Jun 2026
  • disclosed18 Jun 2026
  • creditUnknown

Introduced: 18 Jun 2026

NewCVE-2026-48986  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade mcdope/pam_usb to version 0.9.2 or higher.

Overview

Affected versions of this package are vulnerable to Infinite loop in the pusb_local_login process when an ancestor process exits during authentication, causing the process-tree walk to enter an infinite loop. An attacker can cause the authenticating process to hang and require manual termination by manipulating process states during authentication.

CVSS Base Scores

version 4.0
version 3.1