Vulnerabilities

TI-2026-36236 CVE-2026-48980

pam_usb: getenv() used in PAM context allows environment variable injection into local-check logic

LOW 29

pam_usb provides hardware authentication for Linux using removable media.

CVSS 3.1MEDIUM 6.3 Local Low privileges No interaction EPSS 0.00175 Published 2026-06-18 Fixed in 0.9.2 CWE-454

TI-2026-36239 CVE-2026-48983

pam_usb: TOCTOU race condition in pad directory creation allows symlink substitution

LOW 25

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 5.8 Local Low privileges No interaction EPSS 0.00107 Published 2026-06-18 Fixed in 0.9.2 CWE-367

TI-2026-36238 CVE-2026-48982

pam_usb: Missing O_EXCL on pad temp file creation allows concurrent update race

LOW 25

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 5.8 Local Low privileges No interaction EPSS 0.00118 Published 2026-06-18 Fixed in 0.9.2 CWE-362

TI-2026-36237 CVE-2026-48981

pam_usb: xmlReadFile flags=0 permits XXE network entity fetching in conf.c

LOW 29

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 6.7 Local High privileges No interaction EPSS 0.00154 Published 2026-06-18 Fixed in 0.9.2 CWE-611

TI-2026-36241 CVE-2026-48985

pam_usb: NULL Dereference Crash in pusb_is_loginctl_local when loginctl Returns Empty Remote Field

LOW 24

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00164 Published 2026-06-18 Fixed in 0.9.2 CWE-476

TI-2026-36242 CVE-2026-48986

pam_usb: Infinite loop DoS in process-tree walk when parent process exits during authentication

LOW 21

pam_usb provides hardware authentication for Linux using removable media.

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00141 Published 2026-06-18 Fixed in 0.9.2 CWE-835

TI-2026-36240 CVE-2026-48984

pam_usb: xfree() does not call explicit_bzero — sensitive cryptographic material may linger in freed heap

LOW 21

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00147 Published 2026-06-18 Fixed in 0.9.2 CWE-14

TI-2026-32599 CVE-2026-44712

pam_usb: Shell injection via device UUID and username in pamusb-conf and pamusb-agent

LOW 37

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 8.2 Local High privileges No interaction EPSS 0.00154 Published 2026-05-27 Fixed in 0.8.7 CWE-78

TI-2026-32596 CVE-2026-44709

pam_usb: PINENTRY_FALLBACK_APP environment variable allows arbitrary command execution

HIGH 69

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00151 Published 2026-05-27 Fixed in 0.8.7 CWE-78

TI-2026-32597 CVE-2026-44710

pam_usb: NULL pointer dereference from UDisks device fields causes PAM crash and login denial-of-service

LOW 20

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 4.6 Physical No auth No interaction EPSS 0.00178 Published 2026-05-27 Fixed in 0.8.7 CWE-476

TI-2026-32598 CVE-2026-44711

pam_usb: Symlink attacks on pad directory and pad files enable authentication bypass and root file corruption

HIGH 70

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 7.9 Local Low privileges User interaction EPSS 0.00235 Published 2026-05-27 Fixed in 0.8.7 CWE-287

TI-2026-32600 CVE-2026-44713

pam_usb: Command injection via $TMUX environment variable leads to RCE as root

LOW 39

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00158 Published 2026-05-27 Fixed in 0.8.7 CWE-116

TI-2026-34849 CVE-2026-47269

pam_usb: deny_remote feature incorrectly classifies IPv4-mapped IPv6 remote connections as local

LOW 34

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 7.4 Network No auth No interaction EPSS 0.00307 Published 2026-05-27 Fixed in 0.9.0 CWE-284

TI-2026-34850 CVE-2026-47270

pam_usb: strtok() race condition in multi-threaded PAM hosts can corrupt deny_remote result

LOW 29

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 6.3 Local Low privileges No interaction EPSS 0.00108 Published 2026-05-27 Fixed in 0.9.0 CWE-362

TI-2026-34851 CVE-2026-47271

pam_usb: OOM guards removed by -DNDEBUG cause NULL dereference and authentication process crash

LOW 22

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 5.1 Local No auth No interaction EPSS 0.00122 Published 2026-05-27 Fixed in 0.9.0 CWE-476

TI-2026-34852 CVE-2026-47272

pam_usb: OTP pad authentication bypass via missing system pad check and uninitialized RNG buffer

LOW 32

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00119 Published 2026-05-27 Fixed in 0.9.0 CWE-287

TI-2026-34853 CVE-2026-47273

pam_usb: XPath injection via PAM-supplied identifiers in pam_usb configuration queries

LOW 29

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.00273 Published 2026-05-27 Fixed in 0.9.0 CWE-91

TI-2026-34854 CVE-2026-47274

pam_usb: Uncontrolled search path in pam_usb tools allows privilege escalation via PATH manipulation

LOW 29

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 6.3 Local Low privileges No interaction EPSS 0.00141 Published 2026-05-27 Fixed in 0.9.0 CWE-427

TI-2026-35505 CVE-2026-48064

pam_usb: PAM_RHOST check skipped when deny_remote=false allows XDMCP authentication bypass

HIGH 70

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00342 Published 2026-05-27 Fixed in 0.9.1 CWE-863

TI-2026-35506 CVE-2026-48065

pam_usb: Unchecked integer multiplication before xmalloc() in conf.c allows heap-based buffer overflow on 32-bit targets

LOW 31

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 6.7 Local High privileges No interaction EPSS 0.00149 Published 2026-05-27 Fixed in 0.9.1 CWE-122

TI-2026-35507 CVE-2026-48066

pam_usb: Thread-unsafe static pointer in log.c causes data race under concurrent PAM authentication

LOW 24

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 5.7 Local No auth No interaction EPSS 0.00116 Published 2026-05-27 Fixed in 0.9.1 CWE-362

TI-2026-36062 CVE-2026-48792

Protection mechanism failure in mcdope pam_usb

LOW 19

pam_usb provides hardware authentication for Linux using ordinary removable media.

CVSS 3.1MEDIUM 4.4 Local Low privileges No interaction EPSS 0.00128 Published 2026-05-27 Fixed in 0.9.1 CWE-390

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