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CVE-2011-2691 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261	CVE
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	CVE	Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	CVE	Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=133951357207000&w=2	CVE	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720608	CVE	ExploitIssue TrackingPatchThird Party Advisory
http://secunia.com/advisories/45046	CVE	Broken Link
http://secunia.com/advisories/45405	CVE	Broken Link
http://secunia.com/advisories/45492	CVE	Broken Link
http://secunia.com/advisories/49660	CVE	Broken Link
http://security.gentoo.org/glsa/glsa-201206-15.xml	CVE	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/68537	CVE	Third Party AdvisoryVDB Entry
http://support.apple.com/kb/HT5002	CVE	Third Party Advisory
http://www.debian.org/security/2011/dsa-2287	CVE	Third Party Advisory
http://www.libpng.org/pub/png/libpng.html	CVE	ProductVendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	CVE	Broken Link
http://www.openwall.com/lists/oss-security/2011/07/13/2	CVE	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/48660	CVE	Third Party AdvisoryVDB Entry
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261	[email protected]
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	[email protected]	Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	[email protected]	Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=133951357207000&w=2	[email protected]	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720608	[email protected]	ExploitIssue TrackingPatchThird Party Advisory
http://secunia.com/advisories/45046	[email protected]	Broken Link
http://secunia.com/advisories/45405	[email protected]	Broken Link
http://secunia.com/advisories/45492	[email protected]	Broken Link
http://secunia.com/advisories/49660	[email protected]	Broken Link
http://security.gentoo.org/glsa/glsa-201206-15.xml	[email protected]	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/68537	[email protected]	Third Party AdvisoryVDB Entry
http://support.apple.com/kb/HT5002	[email protected]	Third Party Advisory
http://www.debian.org/security/2011/dsa-2287	[email protected]	Third Party Advisory
http://www.libpng.org/pub/png/libpng.html	[email protected]	ProductVendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	[email protected]	Broken Link
http://www.openwall.com/lists/oss-security/2011/07/13/2	[email protected]	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/48660	[email protected]	Third Party AdvisoryVDB Entry

see all 34 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
libpng libpng	>= 1.0.0, < 1.0.55 >= 1.2.0, < 1.2.45 >= 1.4.0, < 1.4.8 >= 1.5.0, < 1.5.4
CPE cpe:2.3:a:libpng:libpng:::::::: Remediation No remediation found in references.
fedoraproject fedora	14
CPE cpe:2.3:o:fedoraproject:fedora:14:::::::* Remediation No remediation found in references.
debian debian linux	5.0 6.0
CPE cpe:2.3:o:debian:debian_linux:5.0:::::::* cpe:2.3:o:debian:debian_linux:6.0:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Aug 6, 2020	Modified Analysis	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Aug 23, 2016	CVE Modified	[email protected]
Jul 18, 2011	Initial Analysis	[email protected]

CVE-2011-2691 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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