CVE-2011-2691

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

17/07/2011

Last modified:

11/04/2025

Description

The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:libpng:libpng::::::::	1.0.0 (including)	1.0.55 (excluding)
cpe:2.3:a:libpng:libpng::::::::	1.2.0 (including)	1.2.45 (excluding)
cpe:2.3:a:libpng:libpng::::::::	1.4.0 (including)	1.4.8 (excluding)
cpe:2.3:a:libpng:libpng::::::::	1.5.0 (including)	1.5.4 (excluding)
cpe:2.3:o:fedoraproject:fedora:14:::::::*
cpe:2.3:o:debian:debian_linux:5.0:::::::*
cpe:2.3:o:debian:debian_linux:6.0:::::::*

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

CVE-2011-2691

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools