CVE-2008-5907

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\0' character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected software

No affected versions have been published.

Timeline

Published: Jan 15, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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