CVE-2011-2501

libpng: regression of CVE-2004-0421 in 1.2.23+

Published Jul 17, 2011 CVSS 3.1 · 6.5 Medium EPSS 3.5% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2287-1 libpng security update
EUVD EUVD EUVD-2011-2488 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.
Ubuntu USN Ubuntu USN USN-1175-1 libpng vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 11:00 PM
Reserved
Jun 15, 2011, 12:00 AM
Status
Modified
Published
Jul 17, 2011, 8:55 PM
Modified
Jun 16, 2026, 11:31 PM
Severity
Moderate
Public date
Jun 7, 2011, 12:00 AM