CVE-2009-4901

The MSGFunctionDemarshall function in winscard_svc.c in the PC/SC Smart Card daemon (aka PCSCD) in MUSCLE PCSC-Lite before 1.5.4 might allow local users to cause a denial of service (daemon crash) via crafted SCARD_SET_ATTRIB message data, which is improperly demarshalled and triggers a buffer over-read, a related issue to CVE-2010-0407.

Published: 2010-06-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4901 is rated Low Risk (17.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.09%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-4901

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 0.04% 0.09% +0.06%
2 2026-01-30 0.07% 0.04% -0.03%
3 2025-03-17 — 0.07% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4901

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2009-4901

OS Trackers for CVE-2009-4901

vendor priority summary link
debian unimportant CVE-2009-4901 unimportant priority: Debian including 1 source packages (pcsc-lite), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-4901
redhat medium — https://access.redhat.com/security/cve/CVE-2009-4901
ubuntu low CVE-2009-4901 low priority: Ubuntu including 1 source packages (pcsc-lite), 9 status rows across 9 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): released 4, not-affected 3, ignored 2. https://ubuntu.com/security/CVE-2009-4901

Affected software / configurations for CVE-2009-4901

Vendor Product Version Raw CPE
muscle pcsc-lite <= 1.5.3 cpe:2.3:a:muscle:pcsc-lite:*:*:*:*:*:*:*:*
muscle pcsc-lite 1.1.2 cpe:2.3:a:muscle:pcsc-lite:1.1.2:beta2:*:*:*:*:*:*
muscle pcsc-lite 1.1.2 cpe:2.3:a:muscle:pcsc-lite:1.1.2:beta3:*:*:*:*:*:*
muscle pcsc-lite 1.1.2 cpe:2.3:a:muscle:pcsc-lite:1.1.2:beta4:*:*:*:*:*:*
muscle pcsc-lite 1.1.2 cpe:2.3:a:muscle:pcsc-lite:1.1.2:beta5:*:*:*:*:*:*
muscle pcsc-lite 1.2.0 cpe:2.3:a:muscle:pcsc-lite:1.2.0:*:*:*:*:*:*:*
muscle pcsc-lite 1.2.0 cpe:2.3:a:muscle:pcsc-lite:1.2.0:rc1:*:*:*:*:*:*
muscle pcsc-lite 1.2.0 cpe:2.3:a:muscle:pcsc-lite:1.2.0:rc2:*:*:*:*:*:*
muscle pcsc-lite 1.2.0 cpe:2.3:a:muscle:pcsc-lite:1.2.0:rc3:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta1:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta10:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta2:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta3:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta4:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta5:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta6:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta7:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta8:*:*:*:*:*:*
muscle pcsc-lite 1.2.9 cpe:2.3:a:muscle:pcsc-lite:1.2.9:beta9:*:*:*:*:*:*
muscle pcsc-lite 1.3.0 cpe:2.3:a:muscle:pcsc-lite:1.3.0:*:*:*:*:*:*:*
muscle pcsc-lite 1.3.1 cpe:2.3:a:muscle:pcsc-lite:1.3.1:*:*:*:*:*:*:*
muscle pcsc-lite 1.3.2 cpe:2.3:a:muscle:pcsc-lite:1.3.2:*:*:*:*:*:*:*
muscle pcsc-lite 1.3.3 cpe:2.3:a:muscle:pcsc-lite:1.3.3:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.0 cpe:2.3:a:muscle:pcsc-lite:1.4.0:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.1 cpe:2.3:a:muscle:pcsc-lite:1.4.1:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.2 cpe:2.3:a:muscle:pcsc-lite:1.4.2:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.3 cpe:2.3:a:muscle:pcsc-lite:1.4.3:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.4 cpe:2.3:a:muscle:pcsc-lite:1.4.4:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.99 cpe:2.3:a:muscle:pcsc-lite:1.4.99:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.100 cpe:2.3:a:muscle:pcsc-lite:1.4.100:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.101 cpe:2.3:a:muscle:pcsc-lite:1.4.101:*:*:*:*:*:*:*
muscle pcsc-lite 1.4.102 cpe:2.3:a:muscle:pcsc-lite:1.4.102:*:*:*:*:*:*:*
muscle pcsc-lite 1.5.0 cpe:2.3:a:muscle:pcsc-lite:1.5.0:*:*:*:*:*:*:*
muscle pcsc-lite 1.5.1 cpe:2.3:a:muscle:pcsc-lite:1.5.1:*:*:*:*:*:*:*
muscle pcsc-lite 1.5.2 cpe:2.3:a:muscle:pcsc-lite:1.5.2:*:*:*:*:*:*:*

References for CVE-2009-4901

cvelogic Threat Intelligence