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OSS-Fuzz
OSS-Fuzz
•added 2021/12/25 11:03 a.m.•15 views

freetype2:type42-render: Use-of-uninitialized-value in TT_Load_Simple_Glyph

Detailed Report: https://oss-fuzz.com/testcase?key=5254848029786112 Project: freetype2 Fuzzing Engine: libFuzzer Fuzz Target: type42-render Job Type: libfuzzermsanfreetype2 Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: TTLoadSimpleGlyph loadtruetypeglyph...

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seebug.org
seebug.org
•added 2007/05/22 12:00 a.m.•76 views

Freetype TT_Load_Simple_Glyph() TTF文件处理整数溢出漏洞

FreeType是一个流行的字体函数库。 Freetype的truetype/ttgload.c文件中TTLoadSimpleGlyph函数处理畸形TTF图形时存在有符/无符转换错误,如果用户受骗打开了设置有负数npoints值的畸形TTF图形的话,就可能触发整数溢出和堆溢出,导致执行任意指令。 FreeType FreeType = 2.3.4 目前厂商已经发布了升级补丁以修复这个安全问题,请到厂商的主页下载:...

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