CVE Database


Impact: Important
Public: 2012-02-01
Bugzilla: 843179: CVE-2011-3464 libpng: One-byte stack buffer overrun in png_formatted_warning


The MITRE CVE dictionary describes this issue as:

Off-by-one error in the png_formatted_warning function in pngerror.c in libpng 1.5.4 through 1.5.7 might allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unspecified vectors, which trigger a stack-based buffer overflow.

Find out more about CVE-2011-3464 from the MITRE CVE dictionary and NIST NVD.


Not vulnerable. This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 4, 5, and 6.

CVSS v2 metrics

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

Base Score: 6.8
Base Metrics: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial

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

Red Hat security errata

Platform Errata Release Date

External References

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For clarification or corrections please contact the Red Hat Security Response Team.