CVE-2009-0749 in OptiPNG信息

摘要

由 VulDB • 2026-06-12

OptiPNG 0.6.2及更早版本中lib/pngxtern/gif/gifread.c文件的GIFReadNextExtension函数存在use-after-free漏洞,上下文相关的攻击者可通过构造的GIF图像导致realloc函数返回新指针,在访问旧指针时触发内存损坏,从而导致拒绝服务(应用程序崩溃)。

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来源

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