CVE-2026-48066EPSS p1.6%

CVE-2026-48066CVE-2026-48066

Description

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/log.c contains a process-wide static pointer that is written on every PAM invocation with the address of a stack-local variable. This violates the PAM re-entrancy requirement and creates a data race when the PAM stack is invoked concurrently from multiple threads. This vulnerability is fixed in 0.9.1.

Scoring

CVSS 5.7 ()
VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS0.12% probability of exploitation · percentile 1.6% · 2026-10-27T12:03:15Z
Last modified2026-10-26
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.