Suricata

Memory allocated at util-decode-mime.c:2422 for mimeMsg structure, could be lost if state->stack->top == NULL ,
condition is true, since there is no corresponding free call for this case

MimeDecParseState * MimeDecInitParser(void *data,
        int (*DataChunkProcessorFunc)(const uint8_t *chunk, uint32_t len,
                MimeDecParseState *state))
{
    MimeDecParseState *state;
    MimeDecEntity *mimeMsg;

    state = SCCalloc(1, sizeof(MimeDecParseState));
    if (unlikely(state == NULL)) {
        return NULL;
    }

    state->stack = SCCalloc(1, sizeof(MimeDecStack));
    if (unlikely(state->stack == NULL)) {
        SCFree(state);
        return NULL;
    }

    mimeMsg = SCCalloc(1, sizeof(MimeDecEntity));
    if (unlikely(mimeMsg == NULL)) {
        SCFree(state->stack);
        SCFree(state);
        return NULL;
    }
    mimeMsg->ctnt_flags |= CTNT_IS_MSG;

    /* Init state */
    state->msg = mimeMsg;
    PushStack(state->stack);
    if (state->stack->top == NULL) {
        SCFree(state->stack);
        SCFree(state);
        return NULL;
    }
    state->stack->top->data = mimeMsg;
    state->state_flag = HEADER_READY;
    state->data = data;
    state->DataChunkProcessorFunc = DataChunkProcessorFunc;

    return state;
}