6.5

CVE-2011-2501

Exploit

The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data.  NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.

Data is provided by the National Vulnerability Database (NVD)
Libpng ≫ Libpng Version >= 1.0.0 < 1.0.55
Libpng ≫ Libpng Version >= 1.2.0 < 1.2.45
Libpng ≫ Libpng Version >= 1.4.0 < 1.4.8
Libpng ≫ Libpng Version >= 1.5.0 < 1.5.4
Fedoraproject ≫ Fedora Version14
Debian ≫ Debian Linux Version5.0
Debian ≫ Debian Linux Version6.0
Canonical ≫ Ubuntu Linux Version8.04
Canonical ≫ Ubuntu Linux Version10.04
Canonical ≫ Ubuntu Linux Version10.10
Canonical ≫ Ubuntu Linux Version11.04
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.57% 0.674
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

http://www.openwall.com/lists/oss-security/2011/06/27/13
Patch
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2011/06/28/16
Patch
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/48474
Third Party Advisory
VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=717084
Patch
Third Party Advisory
Issue Tracking