Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service (crash) via crafted (1) pCAL (png_handle_pCAL), (2) sCAL (png_handle_sCAL), (3) tEXt (png_push_read_tEXt), (4) iTXt (png_handle_iTXt), and (5) ztXT (png_handle_ztXt) chunking in PNG images, which trigger out-of-bounds read operations.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Libpng库pngtrtran.c文件远程拒绝服务漏洞
Vulnerability Description
libpng是多种应用程序使用的解析PNG图象格式的库。 libpng在处理畸形格式的PNG图像文件时存在漏洞，远程攻击者可能利用此漏洞导致使用了此程序库的应用崩溃。 libpng的pngtrtran.c文件中使用了逻辑NOT而不是位逻辑运算NOT，在使用sizeof(unknown_chunk.name)时存在错误，在pngset.c文件中与无符变量所做的<=比较应为==；在png_handle_pCAL()、png_handle_sCAL()、png_push_read_tEXt()、png_hand
CVSS Information
N/A
Vulnerability Type
N/A