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code allocates one byte and then overrun it with many #8

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vtolkov opened this issue Jul 8, 2024 · 0 comments
Open

code allocates one byte and then overrun it with many #8

vtolkov opened this issue Jul 8, 2024 · 0 comments

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@vtolkov
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vtolkov commented Jul 8, 2024 

char *base = malloc(sizeof(char) * 1);
base[0] = '\0';
strncat(base, hash, hash_length - 1);

1 byte buffer is overwritten by strncat.
@vtolkov vtolkov changed the title really, it should be tested before publishing code allocates one byte and then overrun it with many Jul 8, 2024
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@vtolkov