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Vulnerability Details : CVE-2011-2691

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.
Publish Date : 2011-07-17 Last Update Date : 2020-08-06
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 476

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2691 unix
DSA-2287-1 libpng -- several oval:org.mitre.oval:def:12578 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-2691

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 5.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 6.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 14 * * * Version Details Vulnerabilities
4 Application Libpng Libpng * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 1
Libpng Libpng 1

- References For CVE-2011-2691
APPLE APPLE-SA-2011-10-12-3
BID 48660 libpng Buffer Overflow and Denial of Service Vulnerabilities Release Date:2013-07-30 CONFIRM
SECUNIA 45046;a=commit;h=9dad5e37aef295b4ef8dea39392b652deebc9261 CONFIRM CONFIRM
MLIST [oss-security] 20110713 Security issues fixed in libpng 1.5.4
GENTOO GLSA-201206-15
HP SSRT100852
XF libpng-pngdefaulterror-dos(68537)

- Metasploit Modules Related To CVE-2011-2691

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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