A vulnerability has been identified in PHP, which could be exploited by attackers to cause a denial of service. This issue is caused by an infinite loop in the "gdPngReadData()" [gd/libgd/gd_png.c] function when processing PNG images with truncated data, which could be exploited by remote attackers to crash a vulnerable web server via a malicious image.
Credits
Vulnerability reported by Xavier Roche
ChangeLog
2007-05-22 : Initial release
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