Medium 6.8Published Feb 22, 2009

CVE-2009-0040The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file that triggers a free of an uninitialized pointer in (1) the png_read_png function, (2) pCAL chunk handling, or (3) setup of 16-bit gamma tables.

CVSS: 6.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-824
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libpng libpng libpng:libpng	before 1.0.43; from 1.2.0 before 1.2.35	NVD
apple iphone_os apple:iphone_os	before 3.0	NVD
apple mac_os_x apple:mac_os_x	before 10.5.8	NVD
opensuse opensuse opensuse:opensuse	10.3; 11.0; 11.1	NVD
suse linux_enterprise suse:linux_enterprise	9.0; 10.0	NVD
suse linux_enterprise_desktop suse:linux_enterprise_desktop	10	NVD
suse linux_enterprise_server suse:linux_enterprise_server	10	NVD
debian debian_linux debian:debian_linux	4.0; 5.0	NVD
fedoraproject fedora fedoraproject:fedora	9; 10	NVD

References

References

http://downloads.sourceforge.net/libpng/libpng-1.2.34-ADVISORY.txt	product
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html	mailing-list
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html	mailing-list
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html	mailing-list
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html	broken-link, mailing-list
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html	mailing-list
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00002.html	mailing-list
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00009.html	mailing-list
http://lists.vmware.com/pipermail/security-announce/2009/000062.html	broken-link
http://secunia.com/advisories/33970	broken-link, vendor-advisory
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.