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Public Date:
504782: CVE-2009-2042 libpng: Interlaced Images Information Disclosure Vulnerability

The MITRE CVE dictionary describes this issue as:

libpng before 1.2.37 does not properly parse 1-bit interlaced images with width values that are not divisible by 8, which causes libpng to include uninitialized bits in certain rows of a PNG file and might allow remote attackers to read portions of sensitive memory via "out-of-bounds pixels" in the file.

Find out more about CVE-2009-2042 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue has been addressed in Red Hat Enterprise Linux 3, 4, and 5 via

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.6
Base Metrics AV:N/AC:H/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (libpng) RHSA-2010:0534 2010-07-14
Red Hat Enterprise Linux 3 RHSA-2010:0534 2010-07-14
Red Hat Enterprise Linux 4 RHSA-2010:0534 2010-07-14

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 libpng Affected

Last Modified