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MEDIUM

libpng: off-by-one error in png_push_read_zTXt()

Published Sep 10, 2008

Description

Multiple off-by-one errors in libpng before 1.2.32beta01, and 1.4 before 1.4.0beta34, allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a PNG image with crafted zTXt chunks, related to (1) the png_push_read_zTXt function in pngread.c, and possibly related to (2) pngtest.c.

Affected products

Remediation

Red Hat statement

Not vulnerable. These issues did not affect the versions of libpng as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

Weaknesses (1)

References (25)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 10, 2008
Updated Aug 7, 2024
Reserved Sep 9, 2008
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity Moderate
Public date Sep 5, 2008