int http_find_full_header2(const char *name, int len,
                           char *sol, struct hdr_idx *idx,
                           struct hdr_ctx *ctx)
{
	char *eol, *sov;
	int cur_idx, old_idx;

	cur_idx = ctx->idx;
	if (cur_idx) {
		/* We have previously returned a header, let's search another one */
		sol = ctx->line;
		eol = sol + idx->v[cur_idx].len;
		goto next_hdr;
	}

	/* first request for this header */
	sol += hdr_idx_first_pos(idx);
	old_idx = 0;
	cur_idx = hdr_idx_first_idx(idx);
	while (cur_idx) {
		eol = sol + idx->v[cur_idx].len;

		if (len == 0) {
			/* No argument was passed, we want any header.
			 * To achieve this, we simply build a fake request. */
			while (sol + len < eol && sol[len] != ':')
				len++;
			name = sol;
		}

		if ((len < eol - sol) &&
		    (sol[len] == ':') &&
		    (strncasecmp(sol, name, len) == 0)) {
			ctx->del = len;
			sov = sol + len + 1;
			while (sov < eol && http_is_lws[(unsigned char)*sov])
				sov++;

			ctx->line = sol;
			ctx->prev = old_idx;
			ctx->idx  = cur_idx;
			ctx->val  = sov - sol;
			ctx->tws = 0;
			while (eol > sov && http_is_lws[(unsigned char)*(eol - 1)]) {
				eol--;
				ctx->tws++;
			}
			ctx->vlen = eol - sov;
			return 1;
		}
	next_hdr:
		sol = eol + idx->v[cur_idx].cr + 1;
		old_idx = cur_idx;
		cur_idx = idx->v[cur_idx].next;
	}
	return 0;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.