National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2007-2756 Detail


The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.

Source:  MITRE      Last Modified:  05/18/2007

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/22/2007)

Red Hat does not consider this flaw to be a security vulnerability. We are not aware of any long running processes using libgd which could not recover from this condition.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Patch External Source CONFIRM External Source HP HPSBUX02262 External Source SUSE SUSE-SA:2007:044 External Source REDHAT RHSA-2007:0889 External Source GENTOO GLSA-200708-05 External Source GENTOO GLSA-200711-34 External Source GENTOO GLSA-200805-13 External Source SLACKWARE SSA:2007-152-01 External Source CONFIRM External Source GENTOO GLSA-200710-02 External Source CONFIRM External Source MANDRIVA MDKSA-2007:122 External Source MANDRIVA MDKSA-2007:123 External Source MANDRIVA MDKSA-2007:124 External Source MANDRIVA MDKSA-2007:187 External Source SUSE SUSE-SR:2007:013 External Source OPENPKG OpenPKG-SA-2007.020 External Source CONFIRM External Source REDHAT RHSA-2007:0890 External Source REDHAT RHSA-2007:0891 External Source REDHAT RHSA-2008:0146 External Source BID 24089 External Source SECTRACK 1018187 External Source TRUSTIX 2007-0019 External Source TRUSTIX 2007-0023 External Source UBUNTU USN-473-1 External Source VUPEN ADV-2007-1904 External Source VUPEN ADV-2007-1905 External Source VUPEN ADV-2007-2016 External Source VUPEN ADV-2007-2336 External Source VUPEN ADV-2007-3386 External Source XF gd-gdpngreaddata-dos(34420) External Source CONFIRM External Source OVAL oval:org.mitre.oval:def:10779 External Source FEDORA FEDORA-2007-709 External Source FEDORA FEDORA-2007-2215

References to Check Content

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Technical Details

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Change History 3 change records found - show changes