Out of bounds heap buffer write in stb_vorbis

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger memory write past an allocated heap buffer in `start_decoder`. The root cause is a potential integer overflow in `sizeof(char*) * (f->comment_list_length)` which may make `setup_malloc` allocate less memory than required. Since there is another integer overflow an attacker may overflow it too to force `setup_malloc` to return 0 and make the exploit more reliable. This issue may lead to code execution.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

跨界内存写

stb_vorbis 输入验证错误漏洞

stb_vorbis是一款开源的用于解码ogg vorbis文件的音频解码器。 stb_vorbis 存在安全漏洞，该漏洞源于精心设计的文件可能会触发内存写入“start_decoder”中分配的堆缓冲区。

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