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CVE-2009-4881

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
01/06/2010
Last modified:
11/04/2025

Description

Integer overflow in the __vstrfmon_l function in stdlib/strfmon_l.c in the strfmon implementation in the GNU C Library (aka glibc or libc6) before 2.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted format string, as demonstrated by the %99999999999999999999n string, a related issue to CVE-2008-1391.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* 2.9 (including)
cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.04:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.05:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.06:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.07:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.08:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:1.09:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools